404352065 has 16 divisors (see below), whose sum is σ = 539406336. Its totient is φ = 288964800.

The previous prime is 404352049. The next prime is 404352073. The reversal of 404352065 is 560253404.

It is not a de Polignac number, because 404352065 - 2⁴ = 404352049 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98321 + ... + 102350.

It is an arithmetic number, because the mean of its divisors is an integer number (33712896).

Almost surely, 2^404352065 is an apocalyptic number.

It is an amenable number.

404352065 is a deficient number, since it is larger than the sum of its proper divisors (135054271).

404352065 is a wasteful number, since it uses less digits than its factorization.

404352065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200720.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 404352065 is about 20108.5072792587. The cubic root of 404352065 is about 739.4688573533.

The spelling of 404352065 in words is "four hundred four million, three hundred fifty-two thousand, sixty-five".