992805 has 24 divisors (see below), whose sum is σ = 1749216. Its totient is φ = 480480.

The previous prime is 992801. The next prime is 992809. The reversal of 992805 is 508299.

992805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (992801) and next prime (992809).

It is not a de Polignac number, because 992805 - 2² = 992801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1542 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (72884).

2⁹⁹²⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

992805 is a deficient number, since it is larger than the sum of its proper divisors (756411).

992805 is a wasteful number, since it uses less digits than its factorization.

992805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 992805 is about 996.3960056122. The cubic root of 992805 is about 99.7595891561.

The spelling of 992805 in words is "nine hundred ninety-two thousand, eight hundred five".