2894257 has 4 divisors (see below), whose sum is σ = 2902900. Its totient is φ = 2885616.

The previous prime is 2894239. The next prime is 2894263. The reversal of 2894257 is 7524982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 1527696 = 1169^2 + 1236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2894257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2894557) 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, 3798 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (725725).

2^2894257 is an apocalyptic number.

It is an amenable number.

2894257 is a deficient number, since it is larger than the sum of its proper divisors (8643).

2894257 is an equidigital number, since it uses as much as digits as its factorization.

2894257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8642.

The product of its digits is 40320, while the sum is 37.

The square root of 2894257 is about 1701.2515980889. The cubic root of 2894257 is about 142.5101172667.

The spelling of 2894257 in words is "two million, eight hundred ninety-four thousand, two hundred fifty-seven".