479239493 has 4 divisors (see below), whose sum is σ = 480780768. Its totient is φ = 477698220.

The previous prime is 479239483. The next prime is 479239513. The reversal of 479239493 is 394932974.

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 479239493 - 2¹² = 479235397 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 (479239463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770171 + ... + 770792.

It is an arithmetic number, because the mean of its divisors is an integer number (120195192).

Almost surely, 2^479239493 is an apocalyptic number.

It is an amenable number.

479239493 is a deficient number, since it is larger than the sum of its proper divisors (1541275).

479239493 is a wasteful number, since it uses less digits than its factorization.

479239493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541274.

The product of its digits is 1469664, while the sum is 50.

The square root of 479239493 is about 21891.5393017485. The cubic root of 479239493 is about 782.5597979527.

The spelling of 479239493 in words is "four hundred seventy-nine million, two hundred thirty-nine thousand, four hundred ninety-three".