47918408 has 8 divisors (see below), whose sum is σ = 89847030. Its totient is φ = 23959200.

The previous prime is 47918369. The next prime is 47918417. The reversal of 47918408 is 80481974.

It is a happy number.

47918408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47306884 + 611524 = 6878^2 + 782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2994893 + ... + 2994908.

Almost surely, 2^47918408 is an apocalyptic number.

It is an amenable number.

47918408 is a deficient number, since it is larger than the sum of its proper divisors (41928622).

47918408 is a wasteful number, since it uses less digits than its factorization.

47918408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989807 (or 5989803 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 47918408 is about 6922.3123304283. The cubic root of 47918408 is about 363.2180816359.

The spelling of 47918408 in words is "forty-seven million, nine hundred eighteen thousand, four hundred eight".