404347344 has 20 divisors (see below), whose sum is σ = 1044564096. Its totient is φ = 134782432.

The previous prime is 404347331. The next prime is 404347357. The reversal of 404347344 is 443743404.

It is an interprime number because it is at equal distance from previous prime (404347331) and next prime (404347357).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4211904 + ... + 4211999.

Almost surely, 2^404347344 is an apocalyptic number.

It is an amenable number.

404347344 is an abundant number, since it is smaller than the sum of its proper divisors (640216752).

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

404347344 is a wasteful number, since it uses less digits than its factorization.

404347344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423914 (or 8423908 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 33.

The square root of 404347344 is about 20108.3898907894. The cubic root of 404347344 is about 739.4659794602.

The spelling of 404347344 in words is "four hundred four million, three hundred forty-seven thousand, three hundred forty-four".