47880390 has 16 divisors (see below), whose sum is σ = 114913008. Its totient is φ = 12768096.

The previous prime is 47880389. The next prime is 47880409. The reversal of 47880390 is 9308874.

47880390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 47880 and 390 contains 47880390 itself.

It is a congruent number.

It is an unprimeable number.

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, 797977 + ... + 798036.

It is an arithmetic number, because the mean of its divisors is an integer number (7182063).

Almost surely, 2^47880390 is an apocalyptic number.

47880390 is an abundant number, since it is smaller than the sum of its proper divisors (67032618).

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

47880390 is a wasteful number, since it uses less digits than its factorization.

47880390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596023.

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

The square root of 47880390 is about 6919.5657378191. The cubic root of 47880390 is about 363.1219983202.

The spelling of 47880390 in words is "forty-seven million, eight hundred eighty thousand, three hundred ninety".