1397913867 has 24 divisors (see below), whose sum is σ = 2311227360. Its totient is φ = 797575680.

The previous prime is 1397913857. The next prime is 1397913877. The reversal of 1397913867 is 7683197931.

It is an interprime number because it is at equal distance from previous prime (1397913857) and next prime (1397913877).

It is not a de Polignac number, because 1397913867 - 2¹² = 1397909771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397913827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24859 + ... + 58427.

It is an arithmetic number, because the mean of its divisors is an integer number (96301140).

Almost surely, 2^1397913867 is an apocalyptic number.

1397913867 is a deficient number, since it is larger than the sum of its proper divisors (913313493).

1397913867 is a wasteful number, since it uses less digits than its factorization.

1397913867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34243 (or 34240 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 1397913867 is about 37388.6863502852. The cubic root of 1397913867 is about 1118.1330149288.

The spelling of 1397913867 in words is "one billion, three hundred ninety-seven million, nine hundred thirteen thousand, eight hundred sixty-seven".