404229936 has 40 divisors (see below), whose sum is σ = 1139194944. Its totient is φ = 122493760.

The previous prime is 404229929. The next prime is 404229949. The reversal of 404229936 is 639922404.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 404229894 and 404229903.

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, 382266 + ... + 383321.

Almost surely, 2^404229936 is an apocalyptic number.

It is an amenable number.

404229936 is an abundant number, since it is smaller than the sum of its proper divisors (734965008).

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

404229936 is a wasteful number, since it uses less digits than its factorization.

404229936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765609 (or 765603 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 404229936 is about 20105.4703003934. The cubic root of 404229936 is about 739.3944010451.

The spelling of 404229936 in words is "four hundred four million, two hundred twenty-nine thousand, nine hundred thirty-six".