992457494 has 16 divisors (see below), whose sum is σ = 1701809568. Its totient is φ = 425225472.

The previous prime is 992457493. The next prime is 992457497. The reversal of 992457494 is 494754299.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992457493) 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, 65264 + ... + 79020.

It is an arithmetic number, because the mean of its divisors is an integer number (106363098).

Almost surely, 2^992457494 is an apocalyptic number.

992457494 is a deficient number, since it is larger than the sum of its proper divisors (709352074).

992457494 is a wasteful number, since it uses less digits than its factorization.

992457494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18919.

The product of its digits is 3265920, while the sum is 53.

The square root of 992457494 is about 31503.2933833909. The cubic root of 992457494 is about 997.4794836684.

The spelling of 992457494 in words is "nine hundred ninety-two million, four hundred fifty-seven thousand, four hundred ninety-four".