47906220 has 48 divisors (see below), whose sum is σ = 141200640. Its totient is φ = 12102336.

The previous prime is 47906213. The next prime is 47906249. The reversal of 47906220 is 2260974.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19872 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (2941680).

Almost surely, 2^47906220 is an apocalyptic number.

It is an amenable number.

47906220 is an abundant number, since it is smaller than the sum of its proper divisors (93294420).

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

47906220 is a wasteful number, since it uses less digits than its factorization.

47906220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42054 (or 42052 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 47906220 is about 6921.4319327723. The cubic root of 47906220 is about 363.1872843039.

The spelling of 47906220 in words is "forty-seven million, nine hundred six thousand, two hundred twenty".