404229956 has 48 divisors (see below), whose sum is σ = 813603840. Its totient is φ = 174303360.

The previous prime is 404229953. The next prime is 404229979. The reversal of 404229956 is 659922404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (404229953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42425 + ... + 51071.

It is an arithmetic number, because the mean of its divisors is an integer number (16950080).

Almost surely, 2^404229956 is an apocalyptic number.

It is an amenable number.

404229956 is an abundant number, since it is smaller than the sum of its proper divisors (409373884).

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

404229956 is a wasteful number, since it uses less digits than its factorization.

404229956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724 (or 8722 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 404229956 is about 20105.4707977704. The cubic root of 404229956 is about 739.3944132394.

The spelling of 404229956 in words is "four hundred four million, two hundred twenty-nine thousand, nine hundred fifty-six".