47649288 has 32 divisors (see below), whose sum is σ = 119592000. Its totient is φ = 15820608.

The previous prime is 47649281. The next prime is 47649311. The reversal of 47649288 is 88294674.

It is not an unprimeable number, because it can be changed into a prime (47649281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (3737250).

Almost surely, 2^47649288 is an apocalyptic number.

It is an amenable number.

47649288 is an abundant number, since it is smaller than the sum of its proper divisors (71942712).

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

47649288 is a wasteful number, since it uses less digits than its factorization.

47649288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821 (or 7817 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 47649288 is about 6902.8463694334. The cubic root of 47649288 is about 362.5368346240.

The spelling of 47649288 in words is "forty-seven million, six hundred forty-nine thousand, two hundred eighty-eight".