1397196764 has 12 divisors (see below), whose sum is σ = 2501957304. Its totient is φ = 682351824.

The previous prime is 1397196763. The next prime is 1397196781. The reversal of 1397196764 is 4676917931.

It is a super-3 number, since 3×1397196764³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397196763) 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 3 ways as a sum of consecutive naturals, for example, 4061447 + ... + 4061790.

It is an arithmetic number, because the mean of its divisors is an integer number (208496442).

Almost surely, 2^1397196764 is an apocalyptic number.

It is an amenable number.

1397196764 is a deficient number, since it is larger than the sum of its proper divisors (1104760540).

1397196764 is a wasteful number, since it uses less digits than its factorization.

1397196764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123284 (or 8123282 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The square root of 1397196764 is about 37379.0952806512. The cubic root of 1397196764 is about 1117.9417886301.

The spelling of 1397196764 in words is "one billion, three hundred ninety-seven million, one hundred ninety-six thousand, seven hundred sixty-four".