2897288 has 8 divisors (see below), whose sum is σ = 5432430. Its totient is φ = 1448640.

The previous prime is 2897273. The next prime is 2897299. The reversal of 2897288 is 8827982.

It can be written as a sum of positive squares in only one way, i.e., 2896804 + 484 = 1702^2 + 22^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2¹¹ + 8² + 9⁶ + 7³ + 2²¹ + 8⁴ + 8⁶ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181073 + ... + 181088.

2^2897288 is an apocalyptic number.

It is an amenable number.

2897288 is a deficient number, since it is larger than the sum of its proper divisors (2535142).

2897288 is a wasteful number, since it uses less digits than its factorization.

2897288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362167 (or 362163 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 2897288 is about 1702.1421797253. The cubic root of 2897288 is about 142.5598476428.

The spelling of 2897288 in words is "two million, eight hundred ninety-seven thousand, two hundred eighty-eight".