404536716 has 18 divisors (see below), whose sum is σ = 1022579012. Its totient is φ = 134845560.

The previous prime is 404536711. The next prime is 404536721. The reversal of 404536716 is 617635404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404536711) and next prime (404536721).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 11237131 = 404536716 / (4 + 0 + 4 + 5 + 3 + 6 + 7 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (404536711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5618530 + ... + 5618601.

Almost surely, 2^404536716 is an apocalyptic number.

It is an amenable number.

404536716 is an abundant number, since it is smaller than the sum of its proper divisors (618042296).

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

404536716 is a wasteful number, since it uses less digits than its factorization.

404536716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237141 (or 11237136 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 404536716 is about 20113.0981203792. The cubic root of 404536716 is about 739.5814019207.

The spelling of 404536716 in words is "four hundred four million, five hundred thirty-six thousand, seven hundred sixteen".