990862 has 16 divisors (see below), whose sum is σ = 1592352. Its totient is φ = 460800.

The previous prime is 990851. The next prime is 990881. The reversal of 990862 is 268099.

990862 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (99522).

2⁹⁹⁰⁸⁶² is an apocalyptic number.

990862 is a deficient number, since it is larger than the sum of its proper divisors (601490).

990862 is a wasteful number, since it uses less digits than its factorization.

990862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 990862 is about 995.4205141547. The cubic root of 990862 is about 99.6944674493.

The spelling of 990862 in words is "nine hundred ninety thousand, eight hundred sixty-two".