494256417 has 4 divisors (see below), whose sum is σ = 659008560. Its totient is φ = 329504276.

The previous prime is 494256409. The next prime is 494256421. The reversal of 494256417 is 714652494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494256417 - 2³ = 494256409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494256437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82376067 + ... + 82376072.

It is an arithmetic number, because the mean of its divisors is an integer number (164752140).

Almost surely, 2^494256417 is an apocalyptic number.

It is an amenable number.

494256417 is a deficient number, since it is larger than the sum of its proper divisors (164752143).

494256417 is a wasteful number, since it uses less digits than its factorization.

494256417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164752142.

The product of its digits is 241920, while the sum is 42.

The square root of 494256417 is about 22231.8783956732. The cubic root of 494256417 is about 790.6496909431.

The spelling of 494256417 in words is "four hundred ninety-four million, two hundred fifty-six thousand, four hundred seventeen".