47904536 has 8 divisors (see below), whose sum is σ = 89821020. Its totient is φ = 23952264.

The previous prime is 47904533. The next prime is 47904541. The reversal of 47904536 is 63540974.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 47904536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47904533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2994026 + ... + 2994041.

Almost surely, 2^47904536 is an apocalyptic number.

It is an amenable number.

47904536 is a deficient number, since it is larger than the sum of its proper divisors (41916484).

47904536 is a wasteful number, since it uses less digits than its factorization.

47904536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988073 (or 5988069 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 47904536 is about 6921.3102805755. The cubic root of 47904536 is about 363.1830286661.

The spelling of 47904536 in words is "forty-seven million, nine hundred four thousand, five hundred thirty-six".