2892257 has 4 divisors (see below), whose sum is σ = 2992020. Its totient is φ = 2792496.

The previous prime is 2892251. The next prime is 2892259. The reversal of 2892257 is 7522982.

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 2193361 + 698896 = 1481^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2892257 - 2¹⁰ = 2891233 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 8⁶ + 9⁶ + 2¹⁰ + 2²¹ + 5² + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2892251) 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, 49838 + ... + 49895.

It is an arithmetic number, because the mean of its divisors is an integer number (748005).

2^2892257 is an apocalyptic number.

It is an amenable number.

2892257 is a deficient number, since it is larger than the sum of its proper divisors (99763).

2892257 is an equidigital number, since it uses as much as digits as its factorization.

2892257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99762.

The product of its digits is 20160, while the sum is 35.

The square root of 2892257 is about 1700.6636939736. The cubic root of 2892257 is about 142.4772837494.

The spelling of 2892257 in words is "two million, eight hundred ninety-two thousand, two hundred fifty-seven".