1392207393 has 16 divisors (see below), whose sum is σ = 1867090176. Its totient is φ = 922746000.

The previous prime is 1392207371. The next prime is 1392207413. The reversal of 1392207393 is 3937022931.

It is not a de Polignac number, because 1392207393 - 2²² = 1388013089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1392207353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512946 + ... + 515652.

It is an arithmetic number, because the mean of its divisors is an integer number (116693136).

Almost surely, 2^1392207393 is an apocalyptic number.

It is an amenable number.

1392207393 is a deficient number, since it is larger than the sum of its proper divisors (474882783).

1392207393 is a wasteful number, since it uses less digits than its factorization.

1392207393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 1392207393 is about 37312.2954667761. The cubic root of 1392207393 is about 1116.6094830844.

The spelling of 1392207393 in words is "one billion, three hundred ninety-two million, two hundred seven thousand, three hundred ninety-three".