1397532596 has 6 divisors (see below), whose sum is σ = 2445682050. Its totient is φ = 698766296.

The previous prime is 1397532589. The next prime is 1397532599. The reversal of 1397532596 is 6952357931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1396068496 + 1464100 = 37364^2 + 1210^2 .

It is a super-3 number, since 3×1397532596³ (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 (1397532599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174691571 + ... + 174691578.

It is an arithmetic number, because the mean of its divisors is an integer number (407613675).

Almost surely, 2^1397532596 is an apocalyptic number.

It is an amenable number.

1397532596 is a deficient number, since it is larger than the sum of its proper divisors (1048149454).

1397532596 is a wasteful number, since it uses less digits than its factorization.

1397532596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349383153 (or 349383151 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 50.

The square root of 1397532596 is about 37383.5872543019. The cubic root of 1397532596 is about 1118.0313514270.

The spelling of 1397532596 in words is "one billion, three hundred ninety-seven million, five hundred thirty-two thousand, five hundred ninety-six".