1397232364 has 24 divisors (see below), whose sum is σ = 2668752576. Its totient is φ = 634794000.

The previous prime is 1397232349. The next prime is 1397232367. The reversal of 1397232364 is 4632327931.

It is a super-3 number, since 3×1397232364³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1397232367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99499 + ... + 112669.

It is an arithmetic number, because the mean of its divisors is an integer number (111198024).

Almost surely, 2^1397232364 is an apocalyptic number.

It is an amenable number.

1397232364 is a deficient number, since it is larger than the sum of its proper divisors (1271520212).

1397232364 is a wasteful number, since it uses less digits than its factorization.

1397232364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597 (or 15595 counting only the distinct ones).

The product of its digits is 163296, while the sum is 40.

The square root of 1397232364 is about 37379.5714796197. The cubic root of 1397232364 is about 1117.9512834487.

The spelling of 1397232364 in words is "one billion, three hundred ninety-seven million, two hundred thirty-two thousand, three hundred sixty-four".