47930918 has 24 divisors (see below), whose sum is σ = 83918592. Its totient is φ = 20472144.

The previous prime is 47930917. The next prime is 47930963. The reversal of 47930918 is 81903974.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47930917) 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, 36896 + ... + 38172.

It is an arithmetic number, because the mean of its divisors is an integer number (3496608).

Almost surely, 2^47930918 is an apocalyptic number.

47930918 is a deficient number, since it is larger than the sum of its proper divisors (35987674).

47930918 is a wasteful number, since it uses less digits than its factorization.

47930918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 47930918 is about 6923.2158712552. The cubic root of 47930918 is about 363.2496871853.

The spelling of 47930918 in words is "forty-seven million, nine hundred thirty thousand, nine hundred eighteen".