890699 has 4 divisors (see below), whose sum is σ = 892680. Its totient is φ = 888720.

The previous prime is 890683. The next prime is 890707. The reversal of 890699 is 996098.

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

It is a cyclic number.

It is not a de Polignac number, because 890699 - 2⁴ = 890683 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 890699.

It is not an unprimeable number, because it can be changed into a prime (890609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (223170).

2⁸⁹⁰⁶⁹⁹ is an apocalyptic number.

890699 is a deficient number, since it is larger than the sum of its proper divisors (1981).

890699 is a wasteful number, since it uses less digits than its factorization.

890699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 890699 is about 943.7685097523. The cubic root of 890699 is about 96.2151929013.

The spelling of 890699 in words is "eight hundred ninety thousand, six hundred ninety-nine".