47915894 has 48 divisors (see below), whose sum is σ = 85380480. Its totient is φ = 20067840.

The previous prime is 47915893. The next prime is 47915897. The reversal of 47915894 is 49851974.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47915893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177992 + ... + 178260.

It is an arithmetic number, because the mean of its divisors is an integer number (1778760).

Almost surely, 2^47915894 is an apocalyptic number.

47915894 is a deficient number, since it is larger than the sum of its proper divisors (37464586).

47915894 is a wasteful number, since it uses less digits than its factorization.

47915894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 47915894 is about 6922.1307413252. The cubic root of 47915894 is about 363.2117295451.

The spelling of 47915894 in words is "forty-seven million, nine hundred fifteen thousand, eight hundred ninety-four".