393698494 has 8 divisors (see below), whose sum is σ = 674911728. Its totient is φ = 168727920.

The previous prime is 393698477. The next prime is 393698527. The reversal of 393698494 is 494896393.

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

It is a congruent number.

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, 14060647 + ... + 14060674.

It is an arithmetic number, because the mean of its divisors is an integer number (84363966).

Almost surely, 2^393698494 is an apocalyptic number.

393698494 is a deficient number, since it is larger than the sum of its proper divisors (281213234).

393698494 is a wasteful number, since it uses less digits than its factorization.

393698494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28121330.

The product of its digits is 5038848, while the sum is 55.

The square root of 393698494 is about 19841.8369613300. The cubic root of 393698494 is about 732.9166443147.

The spelling of 393698494 in words is "three hundred ninety-three million, six hundred ninety-eight thousand, four hundred ninety-four".