47839808 has 14 divisors (see below), whose sum is σ = 94932246. Its totient is φ = 23919872.

The previous prime is 47839801. The next prime is 47839811. The reversal of 47839808 is 80893874.

47839808 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., 29246464 + 18593344 = 5408^2 + 4312^2 .

It is not an unprimeable number, because it can be changed into a prime (47839801) by changing a digit.

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, 373685 + ... + 373812.

Almost surely, 2^47839808 is an apocalyptic number.

It is an amenable number.

47839808 is a deficient number, since it is larger than the sum of its proper divisors (47092438).

47839808 is an equidigital number, since it uses as much as digits as its factorization.

47839808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747509 (or 747499 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 47839808 is about 6916.6327067439. The cubic root of 47839808 is about 363.0193788398.

The spelling of 47839808 in words is "forty-seven million, eight hundred thirty-nine thousand, eight hundred eight".