493016690 has 8 divisors (see below), whose sum is σ = 887430060. Its totient is φ = 197206672.

The previous prime is 493016683. The next prime is 493016761. The reversal of 493016690 is 96610394.

It can be written as a sum of positive squares in 2 ways, for example, as 472323289 + 20693401 = 21733^2 + 4549^2 .

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

It is a super-2 number, since 2×493016690² = 486130913237112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24650825 + ... + 24650844.

Almost surely, 2^493016690 is an apocalyptic number.

493016690 is a deficient number, since it is larger than the sum of its proper divisors (394413370).

493016690 is a wasteful number, since it uses less digits than its factorization.

493016690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49301676.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 493016690 is about 22203.9791478915. The cubic root of 493016690 is about 789.9880839948.

The spelling of 493016690 in words is "four hundred ninety-three million, sixteen thousand, six hundred ninety".