494759666 has 16 divisors (see below), whose sum is σ = 755956800. Its totient is φ = 242805360.

The previous prime is 494759651. The next prime is 494759701. The reversal of 494759666 is 666957494.

It is a happy number.

It is a super-3 number, since 3×494759666³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24560 + ... + 39908.

It is an arithmetic number, because the mean of its divisors is an integer number (47247300).

Almost surely, 2^494759666 is an apocalyptic number.

494759666 is a deficient number, since it is larger than the sum of its proper divisors (261197134).

494759666 is a wasteful number, since it uses less digits than its factorization.

494759666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15649.

The product of its digits is 9797760, while the sum is 56.

The square root of 494759666 is about 22243.1937005458. The cubic root of 494759666 is about 790.9179448862.

The spelling of 494759666 in words is "four hundred ninety-four million, seven hundred fifty-nine thousand, six hundred sixty-six".