718988 has 12 divisors (see below), whose sum is σ = 1266720. Its totient is φ = 357072.

The previous prime is 718973. The next prime is 718999. The reversal of 718988 is 889817.

718988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 718988.

It is an unprimeable number.

718988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (105560).

2⁷¹⁸⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

718988 is a deficient number, since it is larger than the sum of its proper divisors (547732).

718988 is a wasteful number, since it uses less digits than its factorization.

718988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1214 counting only the distinct ones).

The product of its digits is 32256, while the sum is 41.

The square root of 718988 is about 847.9316010151. The cubic root of 718988 is about 89.5860828193.

The spelling of 718988 in words is "seven hundred eighteen thousand, nine hundred eighty-eight".