425908 has 36 divisors (see below), whose sum is σ = 904932. Its totient is φ = 174720.

The previous prime is 425903. The next prime is 425911. The reversal of 425908 is 809524.

It is a happy number.

425908 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 283024 = 378^2 + 532^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425903) by changing a digit.

425908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8010 + ... + 8062.

It is an arithmetic number, because the mean of its divisors is an integer number (25137).

2⁴²⁵⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452466).

425908 is an abundant number, since it is smaller than the sum of its proper divisors (479024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425908 is a wasteful number, since it uses less digits than its factorization.

425908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 425908 is about 652.6162731652. The cubic root of 425908 is about 75.2382350455.

The spelling of 425908 in words is "four hundred twenty-five thousand, nine hundred eight".