992949287 has 8 divisors (see below), whose sum is σ = 1083643920. Its totient is φ = 902325760.

The previous prime is 992949263. The next prime is 992949359. The reversal of 992949287 is 782949299.

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

It is a cyclic number.

It is not a de Polignac number, because 992949287 - 2²⁰ = 991900711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992949257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13889 + ... + 46677.

It is an arithmetic number, because the mean of its divisors is an integer number (135455490).

Almost surely, 2^992949287 is an apocalyptic number.

992949287 is a deficient number, since it is larger than the sum of its proper divisors (90694633).

992949287 is a wasteful number, since it uses less digits than its factorization.

992949287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35553.

The product of its digits is 5878656, while the sum is 59.

The square root of 992949287 is about 31511.0978386980. The cubic root of 992949287 is about 997.6442169777.

The spelling of 992949287 in words is "nine hundred ninety-two million, nine hundred forty-nine thousand, two hundred eighty-seven".