404212897 has 16 divisors (see below), whose sum is σ = 465649920. Its totient is φ = 347014800.

The previous prime is 404212873. The next prime is 404212903. The reversal of 404212897 is 798212404.

It is not a de Polignac number, because 404212897 - 2¹⁹ = 403688609 is a prime.

It is a super-2 number, since 2×404212897² = 326776132202265218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404212867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66258 + ... + 72100.

It is an arithmetic number, because the mean of its divisors is an integer number (29103120).

Almost surely, 2^404212897 is an apocalyptic number.

It is an amenable number.

404212897 is a deficient number, since it is larger than the sum of its proper divisors (61437023).

404212897 is a wasteful number, since it uses less digits than its factorization.

404212897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 404212897 is about 20105.0465555293. The cubic root of 404212897 is about 739.3840119760.

The spelling of 404212897 in words is "four hundred four million, two hundred twelve thousand, eight hundred ninety-seven".