492847393 has 4 divisors (see below), whose sum is σ = 508745728. Its totient is φ = 476949060.

The previous prime is 492847387. The next prime is 492847451. The reversal of 492847393 is 393748294.

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 492847393 - 2⁵ = 492847361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492847793) 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, 7949121 + ... + 7949182.

It is an arithmetic number, because the mean of its divisors is an integer number (127186432).

Almost surely, 2^492847393 is an apocalyptic number.

It is an amenable number.

492847393 is a deficient number, since it is larger than the sum of its proper divisors (15898335).

492847393 is a wasteful number, since it uses less digits than its factorization.

492847393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898334.

The product of its digits is 1306368, while the sum is 49.

The square root of 492847393 is about 22200.1665083846. The cubic root of 492847393 is about 789.8976489738.

Subtracting from 492847393 its reverse (393748294), we obtain a palindrome (99099099).

The spelling of 492847393 in words is "four hundred ninety-two million, eight hundred forty-seven thousand, three hundred ninety-three".