992749 has 8 divisors (see below), whose sum is σ = 1097280. Its totient is φ = 893376.

The previous prime is 992737. The next prime is 992777. The reversal of 992749 is 947299.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992749 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 (992249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (137160).

2⁹⁹²⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

992749 is a deficient number, since it is larger than the sum of its proper divisors (104531).

992749 is a wasteful number, since it uses less digits than its factorization.

992749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its digits is 40824, while the sum is 40.

The square root of 992749 is about 996.3679039391. The cubic root of 992749 is about 99.7577134464.

The spelling of 992749 in words is "nine hundred ninety-two thousand, seven hundred forty-nine".