988644938 has 8 divisors (see below), whose sum is σ = 1484944320. Its totient is φ = 493663500.

The previous prime is 988644929. The next prime is 988644941. The reversal of 988644938 is 839446889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327608 + ... + 330611.

It is an arithmetic number, because the mean of its divisors is an integer number (185618040).

Almost surely, 2^988644938 is an apocalyptic number.

988644938 is a deficient number, since it is larger than the sum of its proper divisors (496299382).

988644938 is a wasteful number, since it uses less digits than its factorization.

988644938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658972.

The product of its digits is 11943936, while the sum is 59.

The square root of 988644938 is about 31442.7247228989. The cubic root of 988644938 is about 996.2005618859.

The spelling of 988644938 in words is "nine hundred eighty-eight million, six hundred forty-four thousand, nine hundred thirty-eight".