699872 has 12 divisors (see below), whose sum is σ = 1377936. Its totient is φ = 349920.

The previous prime is 699863. The next prime is 699931. The reversal of 699872 is 278996.

699872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

699872 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, 10904 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (114828).

2⁶⁹⁹⁸⁷² is an apocalyptic number.

It is an amenable number.

699872 is a deficient number, since it is larger than the sum of its proper divisors (678064).

699872 is a wasteful number, since it uses less digits than its factorization.

699872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881 (or 21873 counting only the distinct ones).

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

The square root of 699872 is about 836.5835284059. The cubic root of 699872 is about 88.7849878581.

The spelling of 699872 in words is "six hundred ninety-nine thousand, eight hundred seventy-two".