393314745 has 16 divisors (see below), whose sum is σ = 629577792. Its totient is φ = 209676480.

The previous prime is 393314717. The next prime is 393314767. The reversal of 393314745 is 547413393.

It is not a de Polignac number, because 393314745 - 2¹⁰ = 393313721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43594 + ... + 51836.

It is an arithmetic number, because the mean of its divisors is an integer number (39348612).

Almost surely, 2^393314745 is an apocalyptic number.

It is an amenable number.

393314745 is a deficient number, since it is larger than the sum of its proper divisors (236263047).

393314745 is a wasteful number, since it uses less digits than its factorization.

393314745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432.

The product of its digits is 136080, while the sum is 39.

The square root of 393314745 is about 19832.1644053290. The cubic root of 393314745 is about 732.6784354096.

The spelling of 393314745 in words is "three hundred ninety-three million, three hundred fourteen thousand, seven hundred forty-five".