492415739 has 4 divisors (see below), whose sum is σ = 501706656. Its totient is φ = 483124824.

The previous prime is 492415697. The next prime is 492415751. The reversal of 492415739 is 937514294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492415739 is a prime.

It is a super-2 number, since 2×492415739² = 484946520029832242, which contains 22 as substring.

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 492415739.

It is not an unprimeable number, because it can be changed into a prime (492415789) 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, 4645379 + ... + 4645484.

It is an arithmetic number, because the mean of its divisors is an integer number (125426664).

Almost surely, 2^492415739 is an apocalyptic number.

492415739 is a deficient number, since it is larger than the sum of its proper divisors (9290917).

492415739 is an equidigital number, since it uses as much as digits as its factorization.

492415739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9290916.

The product of its digits is 272160, while the sum is 44.

The square root of 492415739 is about 22190.4425147404. The cubic root of 492415739 is about 789.6669744109. Note that the first 3 decimals are identical.

The spelling of 492415739 in words is "four hundred ninety-two million, four hundred fifteen thousand, seven hundred thirty-nine".