393393334 has 16 divisors (see below), whose sum is σ = 616255200. Its totient is φ = 187989120.

The previous prime is 393393313. The next prime is 393393353. The reversal of 393393334 is 433393393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68494 + ... + 74014.

It is an arithmetic number, because the mean of its divisors is an integer number (38515950).

Almost surely, 2^393393334 is an apocalyptic number.

393393334 is a deficient number, since it is larger than the sum of its proper divisors (222861866).

393393334 is a wasteful number, since it uses less digits than its factorization.

393393334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095.

The product of its digits is 236196, while the sum is 40.

The square root of 393393334 is about 19834.1456584346. The cubic root of 393393334 is about 732.7272314706.

The spelling of 393393334 in words is "three hundred ninety-three million, three hundred ninety-three thousand, three hundred thirty-four".