404766228 has 12 divisors (see below), whose sum is σ = 944454560. Its totient is φ = 134922072.

The previous prime is 404766203. The next prime is 404766233. The reversal of 404766228 is 822667404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16865248 + ... + 16865271.

Almost surely, 2^404766228 is an apocalyptic number.

It is an amenable number.

404766228 is an abundant number, since it is smaller than the sum of its proper divisors (539688332).

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

404766228 is a wasteful number, since it uses less digits than its factorization.

404766228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33730526 (or 33730524 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 404766228 is about 20118.8028470881. The cubic root of 404766228 is about 739.7212414863.

The spelling of 404766228 in words is "four hundred four million, seven hundred sixty-six thousand, two hundred twenty-eight".