494656481 has 8 divisors (see below), whose sum is σ = 541184544. Its totient is φ = 448388320.

The previous prime is 494656453. The next prime is 494656499. The reversal of 494656481 is 184656494.

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 a de Polignac number, because none of the positive numbers 2^k-494656481 is a prime.

It is a super-2 number, since 2×494656481² = 489370068390606722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494656681) 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, 60980 + ... + 68613.

It is an arithmetic number, because the mean of its divisors is an integer number (67648068).

Almost surely, 2^494656481 is an apocalyptic number.

It is an amenable number.

494656481 is a deficient number, since it is larger than the sum of its proper divisors (46528063).

494656481 is a wasteful number, since it uses less digits than its factorization.

494656481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129951.

The product of its digits is 829440, while the sum is 47.

The square root of 494656481 is about 22240.8741060238. The cubic root of 494656481 is about 790.8629575541.

The spelling of 494656481 in words is "four hundred ninety-four million, six hundred fifty-six thousand, four hundred eighty-one".