395490924 has 120 divisors (see below), whose sum is σ = 1114177680. Its totient is φ = 121872384.

The previous prime is 395490923. The next prime is 395490967. The reversal of 395490924 is 429094593.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 395490924.

It is not an unprimeable number, because it can be changed into a prime (395490923) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 324364 + ... + 325580.

It is an arithmetic number, because the mean of its divisors is an integer number (9284814).

Almost surely, 2^395490924 is an apocalyptic number.

395490924 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395490924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557088840).

395490924 is an abundant number, since it is smaller than the sum of its proper divisors (718686756).

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

395490924 is a wasteful number, since it uses less digits than its factorization.

395490924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 395490924 is about 19886.9536128589. The cubic root of 395490924 is about 734.0272345717.

The spelling of 395490924 in words is "three hundred ninety-five million, four hundred ninety thousand, nine hundred twenty-four".