47311432 has 16 divisors (see below), whose sum is σ = 101381760. Its totient is φ = 20276304.

The previous prime is 47311427. The next prime is 47311477. The reversal of 47311432 is 23411374.

It is a junction number, because it is equal to n+sod(n) for n = 47311397 and 47311406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422368 + ... + 422479.

It is an arithmetic number, because the mean of its divisors is an integer number (6336360).

Almost surely, 2^47311432 is an apocalyptic number.

It is an amenable number.

47311432 is an abundant number, since it is smaller than the sum of its proper divisors (54070328).

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

47311432 is a wasteful number, since it uses less digits than its factorization.

47311432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844860 (or 844856 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 47311432 is about 6878.3306114202. The cubic root of 47311432 is about 361.6779488742.

The spelling of 47311432 in words is "forty-seven million, three hundred eleven thousand, four hundred thirty-two".