47904146 has 16 divisors (see below), whose sum is σ = 72960000. Its totient is φ = 23587200.

The previous prime is 47904127. The next prime is 47904151. The reversal of 47904146 is 64140974.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37730 + ... + 38978.

It is an arithmetic number, because the mean of its divisors is an integer number (4560000).

Almost surely, 2^47904146 is an apocalyptic number.

47904146 is a deficient number, since it is larger than the sum of its proper divisors (25055854).

47904146 is a wasteful number, since it uses less digits than its factorization.

47904146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 47904146 is about 6921.2821066620. The cubic root of 47904146 is about 363.1820430826.

The spelling of 47904146 in words is "forty-seven million, nine hundred four thousand, one hundred forty-six".