47990860 has 12 divisors (see below), whose sum is σ = 100780848. Its totient is φ = 19196336.

The previous prime is 47990819. The next prime is 47990861. The reversal of 47990860 is 6809974.

It is not an unprimeable number, because it can be changed into a prime (47990861) 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 3 ways as a sum of consecutive naturals, for example, 1199752 + ... + 1199791.

It is an arithmetic number, because the mean of its divisors is an integer number (8398404).

Almost surely, 2^47990860 is an apocalyptic number.

It is an amenable number.

47990860 is an abundant number, since it is smaller than the sum of its proper divisors (52789988).

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

47990860 is a wasteful number, since it uses less digits than its factorization.

47990860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399552 (or 2399550 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 47990860 is about 6927.5435761892. The cubic root of 47990860 is about 363.4010497657.

The spelling of 47990860 in words is "forty-seven million, nine hundred ninety thousand, eight hundred sixty".