690867 has 12 divisors (see below), whose sum is σ = 1032720. Its totient is φ = 444528.

The previous prime is 690841. The next prime is 690869. The reversal of 690867 is 768096.

690867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690867 - 2⁸ = 690611 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 690867.

It is not an unprimeable number, because it can be changed into a prime (690869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (86060).

2⁶⁹⁰⁸⁶⁷ is an apocalyptic number.

690867 is a deficient number, since it is larger than the sum of its proper divisors (341853).

690867 is a wasteful number, since it uses less digits than its factorization.

690867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 690867 is about 831.1840951318. The cubic root of 690867 is about 88.4025548152.

The spelling of 690867 in words is "six hundred ninety thousand, eight hundred sixty-seven".