1390597260 has 48 divisors (see below), whose sum is σ = 4193187936. Its totient is φ = 342300672.

The previous prime is 1390597249. The next prime is 1390597277. The reversal of 1390597260 is 627950931.

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, 890629 + ... + 892188.

It is an arithmetic number, because the mean of its divisors is an integer number (87358082).

Almost surely, 2^1390597260 is an apocalyptic number.

1390597260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390597260 is an abundant number, since it is smaller than the sum of its proper divisors (2802590676).

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

1390597260 is a wasteful number, since it uses less digits than its factorization.

1390597260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782842 (or 1782840 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 1390597260 is about 37290.7127848208. The cubic root of 1390597260 is about 1116.1788520024.

The spelling of 1390597260 in words is "one billion, three hundred ninety million, five hundred ninety-seven thousand, two hundred sixty".