47639256 has 64 divisors (see below), whose sum is σ = 142041600. Its totient is φ = 13018368.

The previous prime is 47639243. The next prime is 47639299. The reversal of 47639256 is 65293674.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2301 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (2219400).

Almost surely, 2^47639256 is an apocalyptic number.

47639256 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

47639256 is an abundant number, since it is smaller than the sum of its proper divisors (94402344).

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

47639256 is a wasteful number, since it uses less digits than its factorization.

47639256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368 (or 12364 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 47639256 is about 6902.1196744189. The cubic root of 47639256 is about 362.5113902089.

It can be divided in two parts, 47639 and 256, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 47639256 in words is "forty-seven million, six hundred thirty-nine thousand, two hundred fifty-six".