47868239 has 12 divisors (see below), whose sum is σ = 51078384. Its totient is φ = 44848512.

The previous prime is 47868203. The next prime is 47868251. The reversal of 47868239 is 93286874.

It is not a de Polignac number, because 47868239 - 2¹² = 47864143 is a prime.

It is a super-2 number, since 2×47868239² = 4582736609922242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47868193 and 47868202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47868539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34334 + ... + 35700.

It is an arithmetic number, because the mean of its divisors is an integer number (4256532).

Almost surely, 2^47868239 is an apocalyptic number.

47868239 is a deficient number, since it is larger than the sum of its proper divisors (3210145).

47868239 is a wasteful number, since it uses less digits than its factorization.

47868239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1483 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 47868239 is about 6918.6876645792. The cubic root of 47868239 is about 363.0912782369.

The spelling of 47868239 in words is "forty-seven million, eight hundred sixty-eight thousand, two hundred thirty-nine".