699868 has 24 divisors (see below), whose sum is σ = 1353968. Its totient is φ = 314496.

The previous prime is 699863. The next prime is 699931. The reversal of 699868 is 868996.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699863) by changing a digit.

699868 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 7 ways as a sum of consecutive naturals, for example, 2080 + ... + 2392.

2⁶⁹⁹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

699868 is a deficient number, since it is larger than the sum of its proper divisors (654100).

699868 is a wasteful number, since it uses less digits than its factorization.

699868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 699868 is about 836.5811377266. The cubic root of 699868 is about 88.7848187125.

The spelling of 699868 in words is "six hundred ninety-nine thousand, eight hundred sixty-eight".