2897824 has 24 divisors (see below), whose sum is σ = 5755428. Its totient is φ = 1436160.

The previous prime is 2897819. The next prime is 2897827. The reversal of 2897824 is 4287982.

It can be written as a sum of positive squares in 2 ways, for example, as 2782224 + 115600 = 1668^2 + 340^2 .

It is not an unprimeable number, because it can be changed into a prime (2897827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054 + ... + 4714.

2^2897824 is an apocalyptic number.

It is an amenable number.

2897824 is a deficient number, since it is larger than the sum of its proper divisors (2857604).

2897824 is a wasteful number, since it uses less digits than its factorization.

2897824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 800 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2897824 is about 1702.2996211008. The cubic root of 2897824 is about 142.5686383196.

It can be divided in two parts, 2897 and 824, that added together give a square (3721 = 61²).

The spelling of 2897824 in words is "two million, eight hundred ninety-seven thousand, eight hundred twenty-four".