47239964 has 12 divisors (see below), whose sum is σ = 82755288. Its totient is φ = 23595600.

The previous prime is 47239963. The next prime is 47239987. The reversal of 47239964 is 46993274.

It is a super-2 number, since 2×47239964² = 4463228397442592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47239963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (6896274).

Almost surely, 2^47239964 is an apocalyptic number.

It is an amenable number.

47239964 is a deficient number, since it is larger than the sum of its proper divisors (35515324).

47239964 is a wasteful number, since it uses less digits than its factorization.

47239964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12196 (or 12194 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 47239964 is about 6873.1334920835. The cubic root of 47239964 is about 361.4957418480.

The spelling of 47239964 in words is "forty-seven million, two hundred thirty-nine thousand, nine hundred sixty-four".