925820 has 48 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 297984.

The previous prime is 925789. The next prime is 925823. The reversal of 925820 is 28529.

It is a self number, because there is not a number n which added to its sum of digits gives 925820.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 925820.

It is not an unprimeable number, because it can be changed into a prime (925823) by changing a digit.

925820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2186 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁹²⁵⁸²⁰ 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 925820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179360).

925820 is an abundant number, since it is smaller than the sum of its proper divisors (1432900).

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

925820 is a wasteful number, since it uses less digits than its factorization.

925820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 925820 is about 962.1954063495. The cubic root of 925820 is about 97.4635410473.

The spelling of 925820 in words is "nine hundred twenty-five thousand, eight hundred twenty".