2897688339 has 48 divisors (see below), whose sum is σ = 5185782784. Its totient is φ = 1518264000.

The previous prime is 2897688329. The next prime is 2897688349. The reversal of 2897688339 is 9338867982.

It is an interprime number because it is at equal distance from previous prime (2897688329) and next prime (2897688349).

It is not a de Polignac number, because 2897688339 - 2²⁰ = 2896639763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2897688329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111954 + ... + 135384.

Almost surely, 2^2897688339 is an apocalyptic number.

2897688339 is a deficient number, since it is larger than the sum of its proper divisors (2288094445).

2897688339 is a wasteful number, since it uses less digits than its factorization.

2897688339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23608 (or 23605 counting only the distinct ones).

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

The square root of 2897688339 is about 53830.1805588649. The cubic root of 2897688339 is about 1425.6641351160.

The spelling of 2897688339 in words is "two billion, eight hundred ninety-seven million, six hundred eighty-eight thousand, three hundred thirty-nine".