1392380472 has 48 divisors (see below), whose sum is σ = 4049273160. Its totient is φ = 397822656.

The previous prime is 1392380467. The next prime is 1392380603. The reversal of 1392380472 is 2740832931.

It is a self number, because there is not a number n which added to its sum of digits gives 1392380472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590823 + ... + 593174.

Almost surely, 2^1392380472 is an apocalyptic number.

1392380472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1392380472 is an abundant number, since it is smaller than the sum of its proper divisors (2656892688).

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

1392380472 is a wasteful number, since it uses less digits than its factorization.

1392380472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184020 (or 1184009 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1392380472 is about 37314.6147239925. The cubic root of 1392380472 is about 1116.6557534044.

It can be divided in two parts, 13923 and 80472, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 1392380472 in words is "one billion, three hundred ninety-two million, three hundred eighty thousand, four hundred seventy-two".