47840468 has 24 divisors (see below), whose sum is σ = 91063560. Its totient is φ = 21859200.

The previous prime is 47840417. The next prime is 47840509. The reversal of 47840468 is 86404874.

It can be written as a sum of positive squares in 4 ways, for example, as 3378244 + 44462224 = 1838^2 + 6668^2 .

It is a congruent number.

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, 698 + ... + 9806.

It is an arithmetic number, because the mean of its divisors is an integer number (3794315).

Almost surely, 2^47840468 is an apocalyptic number.

It is an amenable number.

47840468 is a deficient number, since it is larger than the sum of its proper divisors (43223092).

47840468 is a wasteful number, since it uses less digits than its factorization.

47840468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227 (or 9225 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 47840468 is about 6916.6804176570. The cubic root of 47840468 is about 363.0210482423.

The spelling of 47840468 in words is "forty-seven million, eight hundred forty thousand, four hundred sixty-eight".