47409688 has 16 divisors (see below), whose sum is σ = 90351360. Its totient is φ = 23316000.

The previous prime is 47409679. The next prime is 47409689. The reversal of 47409688 is 88690474.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47409689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48088 + ... + 49063.

It is an arithmetic number, because the mean of its divisors is an integer number (5646960).

Almost surely, 2^47409688 is an apocalyptic number.

It is an amenable number.

47409688 is a deficient number, since it is larger than the sum of its proper divisors (42941672).

47409688 is a wasteful number, since it uses less digits than its factorization.

47409688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97218 (or 97214 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 47409688 is about 6885.4693376705. The cubic root of 47409688 is about 361.9281523619.

The spelling of 47409688 in words is "forty-seven million, four hundred nine thousand, six hundred eighty-eight".