404344536 has 16 divisors (see below), whose sum is σ = 1010861400. Its totient is φ = 134781504.

The previous prime is 404344519. The next prime is 404344537. The reversal of 404344536 is 635443404.

It is a junction number, because it is equal to n+sod(n) for n = 404344497 and 404344506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404344537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423821 + ... + 8423868.

Almost surely, 2^404344536 is an apocalyptic number.

It is an amenable number.

404344536 is an abundant number, since it is smaller than the sum of its proper divisors (606516864).

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

404344536 is a wasteful number, since it uses less digits than its factorization.

404344536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847698 (or 16847694 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 404344536 is about 20108.3200690659. The cubic root of 404344536 is about 739.4642677098.

The spelling of 404344536 in words is "four hundred four million, three hundred forty-four thousand, five hundred thirty-six".