992901239 has 4 divisors (see below), whose sum is σ = 1083165000. Its totient is φ = 902637480.

The previous prime is 992901227. The next prime is 992901241. The reversal of 992901239 is 932109299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932109299 = 11 ⋅84737209.

It is a cyclic number.

It is not a de Polignac number, because 992901239 - 2⁸ = 992900983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 992901239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992991239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45131864 + ... + 45131885.

It is an arithmetic number, because the mean of its divisors is an integer number (270791250).

Almost surely, 2^992901239 is an apocalyptic number.

992901239 is a deficient number, since it is larger than the sum of its proper divisors (90263761).

992901239 is a wasteful number, since it uses less digits than its factorization.

992901239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90263760.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 992901239 is about 31510.3354314104. The cubic root of 992901239 is about 997.6281249902.

The spelling of 992901239 in words is "nine hundred ninety-two million, nine hundred one thousand, two hundred thirty-nine".