1397534338 has 8 divisors (see below), whose sum is σ = 2125018188. Its totient is φ = 689194944.

The previous prime is 1397534321. The next prime is 1397534377. The reversal of 1397534338 is 8334357931.

It can be written as a sum of positive squares in 2 ways, for example, as 1397040129 + 494209 = 37377^2 + 703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785931 + ... + 4786222.

Almost surely, 2^1397534338 is an apocalyptic number.

1397534338 is a deficient number, since it is larger than the sum of its proper divisors (727483850).

1397534338 is an equidigital number, since it uses as much as digits as its factorization.

1397534338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572228.

The product of its digits is 816480, while the sum is 46.

The square root of 1397534338 is about 37383.6105532893. The cubic root of 1397534338 is about 1118.0318159624.

The spelling of 1397534338 in words is "one billion, three hundred ninety-seven million, five hundred thirty-four thousand, three hundred thirty-eight".