492539837 has 4 divisors (see below), whose sum is σ = 503019456. Its totient is φ = 482060220.

The previous prime is 492539809. The next prime is 492539867. The reversal of 492539837 is 738935294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492539837 - 2⁸ = 492539581 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 (492539867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5239739 + ... + 5239832.

It is an arithmetic number, because the mean of its divisors is an integer number (125754864).

Almost surely, 2^492539837 is an apocalyptic number.

492539837 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

492539837 is a deficient number, since it is larger than the sum of its proper divisors (10479619).

492539837 is a wasteful number, since it uses less digits than its factorization.

492539837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10479618.

The product of its digits is 1632960, while the sum is 50.

The square root of 492539837 is about 22193.2385424030. The cubic root of 492539837 is about 789.7333058008.

The spelling of 492539837 in words is "four hundred ninety-two million, five hundred thirty-nine thousand, eight hundred thirty-seven".