494502839 has 16 divisors (see below), whose sum is σ = 512265600. Its totient is φ = 477104640.

The previous prime is 494502781. The next prime is 494502847. The reversal of 494502839 is 938205494.

It is a cyclic number.

It is not a de Polignac number, because 494502839 - 2⁸ = 494502583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494502839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494502439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687577 + ... + 1687869.

It is an arithmetic number, because the mean of its divisors is an integer number (32016600).

Almost surely, 2^494502839 is an apocalyptic number.

494502839 is a deficient number, since it is larger than the sum of its proper divisors (17762761).

494502839 is a wasteful number, since it uses less digits than its factorization.

494502839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 494502839 is about 22237.4197918733. The cubic root of 494502839 is about 790.7810674924.

The spelling of 494502839 in words is "four hundred ninety-four million, five hundred two thousand, eight hundred thirty-nine".