1397983675 has 24 divisors (see below), whose sum is σ = 1893160080. Its totient is φ = 1015603200.

The previous prime is 1397983669. The next prime is 1397983679. The reversal of 1397983675 is 5763897931.

It is a happy number.

It is not a de Polignac number, because 1397983675 - 2³ = 1397983667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397983679) 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 23 ways as a sum of consecutive naturals, for example, 314871 + ... + 319279.

It is an arithmetic number, because the mean of its divisors is an integer number (78881670).

Almost surely, 2^1397983675 is an apocalyptic number.

1397983675 is a deficient number, since it is larger than the sum of its proper divisors (495176405).

1397983675 is a wasteful number, since it uses less digits than its factorization.

1397983675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583 (or 5578 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 58.

The square root of 1397983675 is about 37389.6198830638. The cubic root of 1397983675 is about 1118.1516267884.

The spelling of 1397983675 in words is "one billion, three hundred ninety-seven million, nine hundred eighty-three thousand, six hundred seventy-five".