47819916 has 24 divisors (see below), whose sum is σ = 123977840. Its totient is φ = 15939936.

The previous prime is 47819909. The next prime is 47819917. The reversal of 47819916 is 61991874.

It is a happy number.

47819916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47819917) 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 in 7 ways as a sum of consecutive naturals, for example, 221281 + ... + 221496.

Almost surely, 2^47819916 is an apocalyptic number.

It is an amenable number.

47819916 is an abundant number, since it is smaller than the sum of its proper divisors (76157924).

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

47819916 is a wasteful number, since it uses less digits than its factorization.

47819916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442790 (or 442782 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 47819916 is about 6915.1945742690. The cubic root of 47819916 is about 362.9690568529.

The spelling of 47819916 in words is "forty-seven million, eight hundred nineteen thousand, nine hundred sixteen".