494194879 has 8 divisors (see below), whose sum is σ = 525458880. Its totient is φ = 463174656.

The previous prime is 494194873. The next prime is 494194907. The reversal of 494194879 is 978491494.

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

It is not a de Polignac number, because 494194879 - 2³ = 494194871 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 (494194871) 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, 56754 + ... + 64879.

It is an arithmetic number, because the mean of its divisors is an integer number (65682360).

Almost surely, 2^494194879 is an apocalyptic number.

494194879 is a deficient number, since it is larger than the sum of its proper divisors (31264001).

494194879 is a wasteful number, since it uses less digits than its factorization.

494194879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121889.

The product of its digits is 2612736, while the sum is 55.

The square root of 494194879 is about 22230.4943489793. The cubic root of 494194879 is about 790.6168759787.

The spelling of 494194879 in words is "four hundred ninety-four million, one hundred ninety-four thousand, eight hundred seventy-nine".