1397000847 has 16 divisors (see below), whose sum is σ = 2102071680. Its totient is φ = 817471200.

The previous prime is 1397000809. The next prime is 1397000849. The reversal of 1397000847 is 7480007931.

It is not a de Polignac number, because 1397000847 - 2¹⁸ = 1396738703 is a prime.

It is a super-2 number, since 2×1397000847² = 3903222733037434818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397000849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728929 + ... + 730842.

It is an arithmetic number, because the mean of its divisors is an integer number (131379480).

Almost surely, 2^1397000847 is an apocalyptic number.

1397000847 is a deficient number, since it is larger than the sum of its proper divisors (705070833).

1397000847 is a wasteful number, since it uses less digits than its factorization.

1397000847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459814.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1397000847 is about 37376.4745127199. The cubic root of 1397000847 is about 1117.8895330363.

The spelling of 1397000847 in words is "one billion, three hundred ninety-seven million, eight hundred forty-seven", and thus it is an aban number.