494874939 has 16 divisors (see below), whose sum is σ = 724000032. Its totient is φ = 298791168.

The previous prime is 494874907. The next prime is 494874959. The reversal of 494874939 is 939478494.

It is not a de Polignac number, because 494874939 - 2⁵ = 494874907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494874959) 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 15 ways as a sum of consecutive naturals, for example, 117642 + ... + 121775.

It is an arithmetic number, because the mean of its divisors is an integer number (45250002).

Almost surely, 2^494874939 is an apocalyptic number.

494874939 is a deficient number, since it is larger than the sum of its proper divisors (229125093).

494874939 is a wasteful number, since it uses less digits than its factorization.

494874939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239486.

The product of its digits is 7838208, while the sum is 57.

The square root of 494874939 is about 22245.7847467784. The cubic root of 494874939 is about 790.9793648785.

The spelling of 494874939 in words is "four hundred ninety-four million, eight hundred seventy-four thousand, nine hundred thirty-nine".