494087939 has 8 divisors (see below), whose sum is σ = 497199360. Its totient is φ = 490984200.

The previous prime is 494087927. The next prime is 494087969. The reversal of 494087939 is 939780494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494087939 - 2²⁰ = 493039363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494087969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175634 + ... + 178424.

It is an arithmetic number, because the mean of its divisors is an integer number (62149920).

Almost surely, 2^494087939 is an apocalyptic number.

494087939 is a deficient number, since it is larger than the sum of its proper divisors (3111421).

494087939 is a wasteful number, since it uses less digits than its factorization.

494087939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 494087939 is about 22228.0889641912. The cubic root of 494087939 is about 790.5598440455.

The spelling of 494087939 in words is "four hundred ninety-four million, eighty-seven thousand, nine hundred thirty-nine".