395658 has 32 divisors (see below), whose sum is σ = 933120. Its totient is φ = 123840.

The previous prime is 395657. The next prime is 395671. The reversal of 395658 is 856593.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (395657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2³⁹⁵⁶⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466560).

395658 is an abundant number, since it is smaller than the sum of its proper divisors (537462).

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

395658 is a wasteful number, since it uses less digits than its factorization.

395658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 453 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 395658 is about 629.0135133684. The cubic root of 395658 is about 73.4130583820.

The spelling of 395658 in words is "three hundred ninety-five thousand, six hundred fifty-eight".