992885 has 8 divisors (see below), whose sum is σ = 1261656. Its totient is φ = 747520.

The previous prime is 992867. The next prime is 992891. The reversal of 992885 is 588299.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 206116 + 786769 = 454^2 + 887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 992885 - 2¹² = 988789 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 5756 + ... + 5925.

It is an arithmetic number, because the mean of its divisors is an integer number (157707).

2⁹⁹²⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

992885 is a deficient number, since it is larger than the sum of its proper divisors (268771).

992885 is a wasteful number, since it uses less digits than its factorization.

992885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703.

The product of its digits is 51840, while the sum is 41.

The square root of 992885 is about 996.4361494848. The cubic root of 992885 is about 99.7622686191.

The spelling of 992885 in words is "nine hundred ninety-two thousand, eight hundred eighty-five".