697868 has 6 divisors (see below), whose sum is σ = 1221276. Its totient is φ = 348932.

The previous prime is 697831. The next prime is 697877. The reversal of 697868 is 868796.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697868.

It is an unprimeable number.

697868 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 as a sum of consecutive naturals, namely, 87230 + ... + 87237.

It is an arithmetic number, because the mean of its divisors is an integer number (203546).

2⁶⁹⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

697868 is a deficient number, since it is larger than the sum of its proper divisors (523408).

697868 is a wasteful number, since it uses less digits than its factorization.

697868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174471 (or 174469 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 697868 is about 835.3849412097. The cubic root of 697868 is about 88.7001651053.

The spelling of 697868 in words is "six hundred ninety-seven thousand, eight hundred sixty-eight".