1392794652 has 12 divisors (see below), whose sum is σ = 3249854216. Its totient is φ = 464264880.

The previous prime is 1392794633. The next prime is 1392794681. The reversal of 1392794652 is 2564972931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1392794652² = 3879753885279602208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58033099 + ... + 58033122.

Almost surely, 2^1392794652 is an apocalyptic number.

1392794652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1392794652 is an abundant number, since it is smaller than the sum of its proper divisors (1857059564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1392794652 is a wasteful number, since it uses less digits than its factorization.

1392794652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116066228 (or 116066226 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 1392794652 is about 37320.1641475490. The cubic root of 1392794652 is about 1116.7664632375.

The spelling of 1392794652 in words is "one billion, three hundred ninety-two million, seven hundred ninety-four thousand, six hundred fifty-two".