47879394 has 16 divisors (see below), whose sum is σ = 96747168. Its totient is φ = 15795072.

The previous prime is 47879393. The next prime is 47879437. The reversal of 47879394 is 49397874.

47879394 = T₂₉₀ + T₂₉₁ + ... + T₆₇₇.

It is a happy number.

47879394 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 (47879393) 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, 40552 + ... + 41715.

It is an arithmetic number, because the mean of its divisors is an integer number (6046698).

Almost surely, 2^47879394 is an apocalyptic number.

47879394 is an abundant number, since it is smaller than the sum of its proper divisors (48867774).

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

47879394 is a wasteful number, since it uses less digits than its factorization.

47879394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82369.

The product of its digits is 1524096, while the sum is 51.

The square root of 47879394 is about 6919.4937676105. The cubic root of 47879394 is about 363.1194804347.

The spelling of 47879394 in words is "forty-seven million, eight hundred seventy-nine thousand, three hundred ninety-four".