1392937480 has 96 divisors (see below), whose sum is σ = 3489494400. Its totient is φ = 499973760.

The previous prime is 1392937471. The next prime is 1392937493. The reversal of 1392937480 is 847392931.

It is a self number, because there is not a number n which added to its sum of digits gives 1392937480.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380539 + ... + 384181.

It is an arithmetic number, because the mean of its divisors is an integer number (36348900).

Almost surely, 2^1392937480 is an apocalyptic number.

1392937480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392937480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744747200).

1392937480 is an abundant number, since it is smaller than the sum of its proper divisors (2096556920).

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

1392937480 is a wasteful number, since it uses less digits than its factorization.

1392937480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3740 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1392937480 is about 37322.0776484911. The cubic root of 1392937480 is about 1116.8046359067.

The spelling of 1392937480 in words is "one billion, three hundred ninety-two million, nine hundred thirty-seven thousand, four hundred eighty".