1397023876 has 24 divisors (see below), whose sum is σ = 2489532416. Its totient is φ = 685843200.

The previous prime is 1397023871. The next prime is 1397023919. The reversal of 1397023876 is 6783207931.

It is a happy number.

It is a super-2 number, since 2×1397023876² = 3903351420228126752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1397023871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35101 + ... + 63451.

Almost surely, 2^1397023876 is an apocalyptic number.

It is an amenable number.

1397023876 is a deficient number, since it is larger than the sum of its proper divisors (1092508540).

1397023876 is a wasteful number, since it uses less digits than its factorization.

1397023876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28579 (or 28577 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1397023876 is about 37376.7825795640. The cubic root of 1397023876 is about 1117.8956756565.

The spelling of 1397023876 in words is "one billion, three hundred ninety-seven million, twenty-three thousand, eight hundred seventy-six".