47393913 has 16 divisors (see below), whose sum is σ = 73092096. Its totient is φ = 26754960.

The previous prime is 47393911. The next prime is 47393921. The reversal of 47393913 is 31939374.

It is not a de Polignac number, because 47393913 - 2¹ = 47393911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47393911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11853 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (4568256).

Almost surely, 2^47393913 is an apocalyptic number.

It is an amenable number.

47393913 is a deficient number, since it is larger than the sum of its proper divisors (25698183).

47393913 is a wasteful number, since it uses less digits than its factorization.

47393913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27284.

The product of its digits is 61236, while the sum is 39.

The square root of 47393913 is about 6884.3237140623. The cubic root of 47393913 is about 361.8880055044. Note that the first 3 decimals are identical.

The spelling of 47393913 in words is "forty-seven million, three hundred ninety-three thousand, nine hundred thirteen".