47905894 has 4 divisors (see below), whose sum is σ = 71858844. Its totient is φ = 23952946.

The previous prime is 47905873. The next prime is 47905903. The reversal of 47905894 is 49850974.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11976472 + ... + 11976475.

It is an arithmetic number, because the mean of its divisors is an integer number (17964711).

Almost surely, 2^47905894 is an apocalyptic number.

47905894 is a deficient number, since it is larger than the sum of its proper divisors (23952950).

47905894 is a wasteful number, since it uses less digits than its factorization.

47905894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23952949.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 47905894 is about 6921.4083826921. The cubic root of 47905894 is about 363.1864604768.

The spelling of 47905894 in words is "forty-seven million, nine hundred five thousand, eight hundred ninety-four".