1392392380 has 48 divisors (see below), whose sum is σ = 2973680640. Its totient is φ = 547560000.

The previous prime is 1392392347. The next prime is 1392392411. The reversal of 1392392380 is 832932931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394825 + ... + 398335.

It is an arithmetic number, because the mean of its divisors is an integer number (61951680).

Almost surely, 2^1392392380 is an apocalyptic number.

1392392380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1392392380 is an abundant number, since it is smaller than the sum of its proper divisors (1581288260).

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

1392392380 is a wasteful number, since it uses less digits than its factorization.

1392392380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1392392380 is about 37314.7742857973. The cubic root of 1392392380 is about 1116.6589367055.

The spelling of 1392392380 in words is "one billion, three hundred ninety-two million, three hundred ninety-two thousand, three hundred eighty".