47404331 has 6 divisors (see below), whose sum is σ = 51331500. Its totient is φ = 43757688.

The previous prime is 47404319. The next prime is 47404333. The reversal of 47404331 is 13340474.

It is not a de Polignac number, because 47404331 - 2¹⁴ = 47387947 is a prime.

It is a super-2 number, since 2×47404331² = 4494341195115122, which contains 22 as substring.

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 47404331.

It is not an unprimeable number, because it can be changed into a prime (47404333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140081 + ... + 140418.

It is an arithmetic number, because the mean of its divisors is an integer number (8555250).

Almost surely, 2^47404331 is an apocalyptic number.

47404331 is a deficient number, since it is larger than the sum of its proper divisors (3927169).

47404331 is a wasteful number, since it uses less digits than its factorization.

47404331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280525 (or 280512 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 47404331 is about 6885.0803190667. The cubic root of 47404331 is about 361.9145199714.

The spelling of 47404331 in words is "forty-seven million, four hundred four thousand, three hundred thirty-one".