47939493 has 12 divisors (see below), whose sum is σ = 74355360. Its totient is φ = 27393912.

The previous prime is 47939477. The next prime is 47939501. The reversal of 47939493 is 39493974.

It is not a de Polignac number, because 47939493 - 2⁴ = 47939477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47939893) 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, 162913 + ... + 163206.

It is an arithmetic number, because the mean of its divisors is an integer number (6196280).

Almost surely, 2^47939493 is an apocalyptic number.

It is an amenable number.

47939493 is a deficient number, since it is larger than the sum of its proper divisors (26415867).

47939493 is a wasteful number, since it uses less digits than its factorization.

47939493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326136 (or 326129 counting only the distinct ones).

The product of its digits is 734832, while the sum is 48.

The square root of 47939493 is about 6923.8351366854. The cubic root of 47939493 is about 363.2713480844.

The spelling of 47939493 in words is "forty-seven million, nine hundred thirty-nine thousand, four hundred ninety-three".