494244391 has 8 divisors (see below), whose sum is σ = 499875264. Its totient is φ = 488624640.

The previous prime is 494244353. The next prime is 494244427. The reversal of 494244391 is 193442494.

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 494244391 - 2²⁵ = 460689959 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 (494244691) 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, 113586 + ... + 117856.

It is an arithmetic number, because the mean of its divisors is an integer number (62484408).

Almost surely, 2^494244391 is an apocalyptic number.

494244391 is a deficient number, since it is larger than the sum of its proper divisors (5630873).

494244391 is a wasteful number, since it uses less digits than its factorization.

494244391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561.

The product of its digits is 124416, while the sum is 40.

The square root of 494244391 is about 22231.6079265536. The cubic root of 494244391 is about 790.6432783268.

The spelling of 494244391 in words is "four hundred ninety-four million, two hundred forty-four thousand, three hundred ninety-one".