395339904 has 48 divisors (see below), whose sum is σ = 1137635070. Its totient is φ = 131779584.

The previous prime is 395339899. The next prime is 395339911. The reversal of 395339904 is 409933593.

It can be written as a sum of positive squares in only one way, i.e., 390141504 + 5198400 = 19752^2 + 2280^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 395339904.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170437 + ... + 172740.

Almost surely, 2^395339904 is an apocalyptic number.

It is an amenable number.

395339904 is an abundant number, since it is smaller than the sum of its proper divisors (742295166).

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

395339904 is a wasteful number, since it uses less digits than its factorization.

395339904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343197 (or 343182 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 45.

The square root of 395339904 is about 19883.1562886781. The cubic root of 395339904 is about 733.9337921359.

The spelling of 395339904 in words is "three hundred ninety-five million, three hundred thirty-nine thousand, nine hundred four".