493648458 has 8 divisors (see below), whose sum is σ = 987296928. Its totient is φ = 164549484.

The previous prime is 493648439. The next prime is 493648483. The reversal of 493648458 is 854846394.

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

493648458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 493648458.

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, 41137366 + ... + 41137377.

It is an arithmetic number, because the mean of its divisors is an integer number (123412116).

Almost surely, 2^493648458 is an apocalyptic number.

493648458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493648458 is a wasteful number, since it uses less digits than its factorization.

493648458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82274748.

The product of its digits is 3317760, while the sum is 51.

The square root of 493648458 is about 22218.2010522904. The cubic root of 493648458 is about 790.3253789725.

The spelling of 493648458 in words is "four hundred ninety-three million, six hundred forty-eight thousand, four hundred fifty-eight".