697982 has 4 divisors (see below), whose sum is σ = 1046976. Its totient is φ = 348990.

The previous prime is 697979. The next prime is 697993. The reversal of 697982 is 289796.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697982.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174494 + ... + 174497.

It is an arithmetic number, because the mean of its divisors is an integer number (261744).

2⁶⁹⁷⁹⁸² is an apocalyptic number.

697982 is a deficient number, since it is larger than the sum of its proper divisors (348994).

697982 is a wasteful number, since it uses less digits than its factorization.

697982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348993.

The product of its digits is 54432, while the sum is 41.

The square root of 697982 is about 835.4531704410. The cubic root of 697982 is about 88.7049947046.

The spelling of 697982 in words is "six hundred ninety-seven thousand, nine hundred eighty-two".