393392264 has 16 divisors (see below), whose sum is σ = 776432400. Its totient is φ = 186343632.

The previous prime is 393392249. The next prime is 393392267. The reversal of 393392264 is 462293393.

It is not an unprimeable number, because it can be changed into a prime (393392267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293902 + ... + 1294205.

It is an arithmetic number, because the mean of its divisors is an integer number (48527025).

Almost surely, 2^393392264 is an apocalyptic number.

It is an amenable number.

393392264 is a deficient number, since it is larger than the sum of its proper divisors (383040136).

393392264 is a wasteful number, since it uses less digits than its factorization.

393392264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588132 (or 2588128 counting only the distinct ones).

The product of its digits is 209952, while the sum is 41.

The square root of 393392264 is about 19834.1186847311. The cubic root of 393392264 is about 732.7265671492.

The spelling of 393392264 in words is "three hundred ninety-three million, three hundred ninety-two thousand, two hundred sixty-four".