1390480832 has 56 divisors (see below), whose sum is σ = 2976201312. Its totient is φ = 640742400.

The previous prime is 1390480829. The next prime is 1390480841. The reversal of 1390480832 is 2380840931.

It is a congruent number.

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, 856982 + ... + 858602.

It is an arithmetic number, because the mean of its divisors is an integer number (53146452).

Almost surely, 2^1390480832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390480832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488100656).

1390480832 is an abundant number, since it is smaller than the sum of its proper divisors (1585720480).

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

1390480832 is a wasteful number, since it uses less digits than its factorization.

1390480832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2667 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1390480832 is about 37289.1516664029. The cubic root of 1390480832 is about 1116.1477003761.

The spelling of 1390480832 in words is "one billion, three hundred ninety million, four hundred eighty thousand, eight hundred thirty-two".