47318384 has 10 divisors (see below), whose sum is σ = 91679400. Its totient is φ = 23659184.

The previous prime is 47318353. The next prime is 47318473. The reversal of 47318384 is 48381374.

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, 1478684 + ... + 1478715.

It is an arithmetic number, because the mean of its divisors is an integer number (9167940).

Almost surely, 2^47318384 is an apocalyptic number.

It is an amenable number.

47318384 is a deficient number, since it is larger than the sum of its proper divisors (44361016).

47318384 is a wasteful number, since it uses less digits than its factorization.

47318384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957407 (or 2957401 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 47318384 is about 6878.8359480366. The cubic root of 47318384 is about 361.6956631408.

The spelling of 47318384 in words is "forty-seven million, three hundred eighteen thousand, three hundred eighty-four".