2897131384 has 16 divisors (see below), whose sum is σ = 6208138800. Its totient is φ = 1241627712.

The previous prime is 2897131379. The next prime is 2897131409. The reversal of 2897131384 is 4831317982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25867189 + ... + 25867300.

It is an arithmetic number, because the mean of its divisors is an integer number (388008675).

Almost surely, 2^2897131384 is an apocalyptic number.

It is an amenable number.

2897131384 is an abundant number, since it is smaller than the sum of its proper divisors (3311007416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2897131384 is a wasteful number, since it uses less digits than its factorization.

2897131384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51734502 (or 51734498 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 2897131384 is about 53825.0070506266. The cubic root of 2897131384 is about 1425.5727885489.

The spelling of 2897131384 in words is "two billion, eight hundred ninety-seven million, one hundred thirty-one thousand, three hundred eighty-four".