47285631 has 24 divisors (see below), whose sum is σ = 73738080. Its totient is φ = 29109696.

The previous prime is 47285599. The next prime is 47285647. The reversal of 47285631 is 13658274.

It is not a de Polignac number, because 47285631 - 2⁵ = 47285599 is a prime.

It is a super-2 number, since 2×47285631² = 4471861798136322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47285671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2065 + ... + 9941.

It is an arithmetic number, because the mean of its divisors is an integer number (3072420).

Almost surely, 2^47285631 is an apocalyptic number.

47285631 is a deficient number, since it is larger than the sum of its proper divisors (26452449).

47285631 is a wasteful number, since it uses less digits than its factorization.

47285631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935 (or 7932 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 47285631 is about 6876.4548278892. The cubic root of 47285631 is about 361.6121906336.

The spelling of 47285631 in words is "forty-seven million, two hundred eighty-five thousand, six hundred thirty-one".