2897144 has 8 divisors (see below), whose sum is σ = 5432160. Its totient is φ = 1448568.

The previous prime is 2897131. The next prime is 2897171. The reversal of 2897144 is 4417982.

2897144 = 418² + 419² + ... + 433².

2897144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181064 + ... + 181079.

It is an arithmetic number, because the mean of its divisors is an integer number (679020).

2^2897144 is an apocalyptic number.

It is an amenable number.

2897144 is a deficient number, since it is larger than the sum of its proper divisors (2535016).

2897144 is a wasteful number, since it uses less digits than its factorization.

2897144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362149 (or 362145 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2897144 is about 1702.0998795605. The cubic root of 2897144 is about 142.5574857837.

The spelling of 2897144 in words is "two million, eight hundred ninety-seven thousand, one hundred forty-four".