2897285 has 8 divisors (see below), whose sum is σ = 3570936. Its totient is φ = 2255040.

The previous prime is 2897273. The next prime is 2897299. The reversal of 2897285 is 5827982.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 1136356 = 1327^2 + 1066^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2897285 - 2⁴ = 2897269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7646 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (446367).

2^2897285 is an apocalyptic number.

It is an amenable number.

2897285 is a deficient number, since it is larger than the sum of its proper divisors (673651).

2897285 is a wasteful number, since it uses less digits than its factorization.

2897285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703.

The product of its digits is 80640, while the sum is 41.

The square root of 2897285 is about 1702.1412984826. The cubic root of 2897285 is about 142.5597984382.

The spelling of 2897285 in words is "two million, eight hundred ninety-seven thousand, two hundred eighty-five".