395012404 has 12 divisors (see below), whose sum is σ = 692354628. Its totient is φ = 197196800.

The previous prime is 395012399. The next prime is 395012411. The reversal of 395012404 is 404210593.

It can be written as a sum of positive squares in 2 ways, for example, as 304572304 + 90440100 = 17452^2 + 9510^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74467 + ... + 79594.

It is an arithmetic number, because the mean of its divisors is an integer number (57696219).

Almost surely, 2^395012404 is an apocalyptic number.

It is an amenable number.

395012404 is a deficient number, since it is larger than the sum of its proper divisors (297342224).

395012404 is a wasteful number, since it uses less digits than its factorization.

395012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154706 (or 154704 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 395012404 is about 19874.9189683883. The cubic root of 395012404 is about 733.7310723012.

Adding to 395012404 its reverse (404210593), we get a palindrome (799222997).

It can be divided in two parts, 39501 and 2404, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 395012404 in words is "three hundred ninety-five million, twelve thousand, four hundred four".