47903688 has 96 divisors (see below), whose sum is σ = 157023360. Its totient is φ = 12879360.

The previous prime is 47903663. The next prime is 47903689. The reversal of 47903688 is 88630974.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47903689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5773 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (1635660).

Almost surely, 2^47903688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47903688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78511680).

47903688 is an abundant number, since it is smaller than the sum of its proper divisors (109119672).

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

47903688 is a wasteful number, since it uses less digits than its factorization.

47903688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627 (or 5620 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 47903688 is about 6921.2490202275. The cubic root of 47903688 is about 363.1808856469.

The spelling of 47903688 in words is "forty-seven million, nine hundred three thousand, six hundred eighty-eight".