47845902 has 32 divisors (see below), whose sum is σ = 103652640. Its totient is φ = 14636160.

The previous prime is 47845901. The next prime is 47845937. The reversal of 47845902 is 20954874.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47845901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12424 + ... + 15812.

It is an arithmetic number, because the mean of its divisors is an integer number (3239145).

Almost surely, 2^47845902 is an apocalyptic number.

47845902 is an abundant number, since it is smaller than the sum of its proper divisors (55806738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47845902 is a wasteful number, since it uses less digits than its factorization.

47845902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 47845902 is about 6917.0732249991. The cubic root of 47845902 is about 363.0347924062.

The spelling of 47845902 in words is "forty-seven million, eight hundred forty-five thousand, nine hundred two".