393339115 has 24 divisors (see below), whose sum is σ = 540000720. Its totient is φ = 273366528.

The previous prime is 393339113. The next prime is 393339143. The reversal of 393339115 is 511933393.

It is not a de Polignac number, because 393339115 - 2¹ = 393339113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (393339113) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8316 + ... + 29254.

It is an arithmetic number, because the mean of its divisors is an integer number (22500030).

Almost surely, 2^393339115 is an apocalyptic number.

393339115 is a deficient number, since it is larger than the sum of its proper divisors (146661605).

393339115 is a wasteful number, since it uses less digits than its factorization.

393339115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991 (or 20974 counting only the distinct ones).

The product of its digits is 32805, while the sum is 37.

The square root of 393339115 is about 19832.7788017716. The cubic root of 393339115 is about 732.6935674846.

The spelling of 393339115 in words is "three hundred ninety-three million, three hundred thirty-nine thousand, one hundred fifteen".