47870394 has 32 divisors (see below), whose sum is σ = 112480704. Its totient is φ = 13390080.

The previous prime is 47870377. The next prime is 47870461. The reversal of 47870394 is 49307874.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27039 + ... + 28754.

It is an arithmetic number, because the mean of its divisors is an integer number (3515022).

Almost surely, 2^47870394 is an apocalyptic number.

47870394 is an abundant number, since it is smaller than the sum of its proper divisors (64610310).

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

47870394 is a wasteful number, since it uses less digits than its factorization.

47870394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55822.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 47870394 is about 6918.8434004536. The cubic root of 47870394 is about 363.0967268738.

The spelling of 47870394 in words is "forty-seven million, eight hundred seventy thousand, three hundred ninety-four".