1397082859 has 16 divisors (see below), whose sum is σ = 1556766720. Its totient is φ = 1248619680.

The previous prime is 1397082853. The next prime is 1397082871. The reversal of 1397082859 is 9582807931.

It is a cyclic number.

It is not a de Polignac number, because 1397082859 - 2²⁵ = 1363528427 is a prime.

It is a super-2 number, since 2×1397082859² = 3903681029823227762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1397082853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13107 + ... + 54460.

It is an arithmetic number, because the mean of its divisors is an integer number (97297920).

Almost surely, 2^1397082859 is an apocalyptic number.

1397082859 is a deficient number, since it is larger than the sum of its proper divisors (159683861).

1397082859 is a wasteful number, since it uses less digits than its factorization.

1397082859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67650.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 1397082859 is about 37377.5716038375. The cubic root of 1397082859 is about 1117.9114081274.

The spelling of 1397082859 in words is "one billion, three hundred ninety-seven million, eighty-two thousand, eight hundred fifty-nine".