988174942 has 16 divisors (see below), whose sum is σ = 1539057600. Its totient is φ = 475282080.

The previous prime is 988174919. The next prime is 988174961. The reversal of 988174942 is 249471889.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 988174942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15717 + ... + 47152.

It is an arithmetic number, because the mean of its divisors is an integer number (96191100).

Almost surely, 2^988174942 is an apocalyptic number.

988174942 is the 15718-th decagonal number.

988174942 is a deficient number, since it is larger than the sum of its proper divisors (550882658).

988174942 is a wasteful number, since it uses less digits than its factorization.

988174942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63171.

The product of its digits is 1161216, while the sum is 52.

The square root of 988174942 is about 31435.2499910530. The cubic root of 988174942 is about 996.0426742306.

The spelling of 988174942 in words is "nine hundred eighty-eight million, one hundred seventy-four thousand, nine hundred forty-two".