404464956 has 24 divisors (see below), whose sum is σ = 1078573440. Its totient is φ = 115561392.

The previous prime is 404464927. The next prime is 404464961. The reversal of 404464956 is 659464404.

It is a super-3 number, since 3×404464956³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407446 + ... + 2407613.

It is an arithmetic number, because the mean of its divisors is an integer number (44940560).

Almost surely, 2^404464956 is an apocalyptic number.

It is an amenable number.

404464956 is an abundant number, since it is smaller than the sum of its proper divisors (674108484).

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

404464956 is a wasteful number, since it uses less digits than its factorization.

404464956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815073 (or 4815071 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 404464956 is about 20111.3141291165. The cubic root of 404464956 is about 739.5376683544.

The spelling of 404464956 in words is "four hundred four million, four hundred sixty-four thousand, nine hundred fifty-six".