404948656 has 40 divisors (see below), whose sum is σ = 897839360. Its totient is φ = 173323584.

The previous prime is 404948639. The next prime is 404948659. The reversal of 404948656 is 656849404.

It is not an unprimeable number, because it can be changed into a prime (404948659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106435 + ... + 110173.

It is an arithmetic number, because the mean of its divisors is an integer number (22445984).

Almost surely, 2^404948656 is an apocalyptic number.

It is an amenable number.

404948656 is an abundant number, since it is smaller than the sum of its proper divisors (492890704).

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

404948656 is a wasteful number, since it uses less digits than its factorization.

404948656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 404948656 is about 20123.3361051293. The cubic root of 404948656 is about 739.8323554981.

The spelling of 404948656 in words is "four hundred four million, nine hundred forty-eight thousand, six hundred fifty-six".