2897388369 has 12 divisors (see below), whose sum is σ = 4287193092. Its totient is φ = 1884480000.

The previous prime is 2897388317. The next prime is 2897388383. The reversal of 2897388369 is 9638837982.

It can be written as a sum of positive squares in 2 ways, for example, as 1685513025 + 1211875344 = 41055^2 + 34812^2 .

It is not a de Polignac number, because 2897388369 - 2¹³ = 2897380177 is a prime.

It is a super-2 number, since 2×2897388369² = 16789718721632960322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2897387369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3925632 + ... + 3926369.

It is an arithmetic number, because the mean of its divisors is an integer number (357266091).

Almost surely, 2^2897388369 is an apocalyptic number.

It is an amenable number.

2897388369 is a deficient number, since it is larger than the sum of its proper divisors (1389804723).

2897388369 is a wasteful number, since it uses less digits than its factorization.

2897388369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852048 (or 7852045 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 2897388369 is about 53827.3942245025. The cubic root of 2897388369 is about 1425.6149382875.

The spelling of 2897388369 in words is "two billion, eight hundred ninety-seven million, three hundred eighty-eight thousand, three hundred sixty-nine".