47902446 has 24 divisors (see below), whose sum is σ = 105492504. Its totient is φ = 15705360.

The previous prime is 47902433. The next prime is 47902469. The reversal of 47902446 is 64420974.

It is a self number, because there is not a number n which added to its sum of digits gives 47902446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20716 + ... + 22911.

It is an arithmetic number, because the mean of its divisors is an integer number (4395521).

Almost surely, 2^47902446 is an apocalyptic number.

47902446 is an abundant number, since it is smaller than the sum of its proper divisors (57590058).

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

47902446 is a wasteful number, since it uses less digits than its factorization.

47902446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43696 (or 43693 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 47902446 is about 6921.1592959561. The cubic root of 47902446 is about 363.1777468868.

The spelling of 47902446 in words is "forty-seven million, nine hundred two thousand, four hundred forty-six".