1392893612 has 24 divisors (see below), whose sum is σ = 2744942592. Its totient is φ = 612709200.

The previous prime is 1392893603. The next prime is 1392893647. The reversal of 1392893612 is 2163982931.

It is a super-2 number, since 2×1392893612² = 3880305228700813088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509228 + ... + 511955.

It is an arithmetic number, because the mean of its divisors is an integer number (114372608).

Almost surely, 2^1392893612 is an apocalyptic number.

It is an amenable number.

1392893612 is a deficient number, since it is larger than the sum of its proper divisors (1352048980).

1392893612 is a wasteful number, since it uses less digits than its factorization.

1392893612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021229 (or 1021227 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 1392893612 is about 37321.4899488217. The cubic root of 1392893612 is about 1116.7929118820.

The spelling of 1392893612 in words is "one billion, three hundred ninety-two million, eight hundred ninety-three thousand, six hundred twelve".