404557201 has 16 divisors (see below), whose sum is σ = 420076800. Its totient is φ = 389370240.

The previous prime is 404557199. The next prime is 404557229. The reversal of 404557201 is 102755404.

It is a cyclic number.

It is not a de Polignac number, because 404557201 - 2¹ = 404557199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404557201.

It is not an unprimeable number, because it can be changed into a prime (404557261) 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, 1492696 + ... + 1492966.

It is an arithmetic number, because the mean of its divisors is an integer number (26254800).

Almost surely, 2^404557201 is an apocalyptic number.

It is an amenable number.

404557201 is a deficient number, since it is larger than the sum of its proper divisors (15519599).

404557201 is a wasteful number, since it uses less digits than its factorization.

404557201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 404557201 is about 20113.6073591984. The cubic root of 404557201 is about 739.5938853935.

The spelling of 404557201 in words is "four hundred four million, five hundred fifty-seven thousand, two hundred one".