9479988 has 36 divisors (see below), whose sum is σ = 27387360. Its totient is φ = 2708496.

The previous prime is 9479983. The next prime is 9480001. The reversal of 9479988 is 8899749.

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18558 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (760760).

Almost surely, 2^9479988 is an apocalyptic number.

It is an amenable number.

9479988 is an abundant number, since it is smaller than the sum of its proper divisors (17907372).

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

9479988 is a wasteful number, since it uses less digits than its factorization.

9479988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37636 (or 37631 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9479988 is about 3078.9589149581. The cubic root of 9479988 is about 211.6423601025.

The spelling of 9479988 in words is "nine million, four hundred seventy-nine thousand, nine hundred eighty-eight".