404236049 has 16 divisors (see below), whose sum is σ = 476264448. Its totient is φ = 335917392.

The previous prime is 404236043. The next prime is 404236069. The reversal of 404236049 is 940632404.

It is a cyclic number.

It is not a de Polignac number, because 404236049 - 2⁴ = 404236033 is a prime.

It is a super-2 number, since 2×404236049² = 326813566622260802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404236043) 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, 29462 + ... + 40944.

It is an arithmetic number, because the mean of its divisors is an integer number (29766528).

Almost surely, 2^404236049 is an apocalyptic number.

It is an amenable number.

404236049 is a deficient number, since it is larger than the sum of its proper divisors (72028399).

404236049 is a wasteful number, since it uses less digits than its factorization.

404236049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11644.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 404236049 is about 20105.6223231215. The cubic root of 404236049 is about 739.3981282103.

The spelling of 404236049 in words is "four hundred four million, two hundred thirty-six thousand, forty-nine".