47921826 has 16 divisors (see below), whose sum is σ = 96332544. Its totient is φ = 15892464.

The previous prime is 47921807. The next prime is 47921843. The reversal of 47921826 is 62812974.

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, 19090 + ... + 21453.

It is an arithmetic number, because the mean of its divisors is an integer number (6020784).

Almost surely, 2^47921826 is an apocalyptic number.

47921826 is an abundant number, since it is smaller than the sum of its proper divisors (48410718).

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

47921826 is a wasteful number, since it uses less digits than its factorization.

47921826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40745.

The product of its digits is 48384, while the sum is 39.

The square root of 47921826 is about 6922.5592088475. The cubic root of 47921826 is about 363.2267174951.

The spelling of 47921826 in words is "forty-seven million, nine hundred twenty-one thousand, eight hundred twenty-six".