492409797 has 32 divisors (see below), whose sum is σ = 744124416. Its totient is φ = 286934400.

The previous prime is 492409781. The next prime is 492409823. The reversal of 492409797 is 797904294.

It is not a de Polignac number, because 492409797 - 2⁴ = 492409781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492409397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165273 + ... + 168225.

It is an arithmetic number, because the mean of its divisors is an integer number (23253888).

Almost surely, 2^492409797 is an apocalyptic number.

It is an amenable number.

492409797 is a deficient number, since it is larger than the sum of its proper divisors (251714619).

492409797 is a wasteful number, since it uses less digits than its factorization.

492409797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 492409797 is about 22190.3086278673. The cubic root of 492409797 is about 789.6637980841.

The spelling of 492409797 in words is "four hundred ninety-two million, four hundred nine thousand, seven hundred ninety-seven".