2887331 has 4 divisors (see below), whose sum is σ = 3057192. Its totient is φ = 2717472.

The previous prime is 2887319. The next prime is 2887333. The reversal of 2887331 is 1337882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2887331 is a prime.

It is a super-2 number, since 2×2887331² = 16673360607122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2887333) 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, 84905 + ... + 84938.

It is an arithmetic number, because the mean of its divisors is an integer number (764298).

2^2887331 is an apocalyptic number.

2887331 is a deficient number, since it is larger than the sum of its proper divisors (169861).

2887331 is a wasteful number, since it uses less digits than its factorization.

2887331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169860.

The product of its digits is 8064, while the sum is 32.

The square root of 2887331 is about 1699.2148186736. The cubic root of 2887331 is about 142.3963501937.

The spelling of 2887331 in words is "two million, eight hundred eighty-seven thousand, three hundred thirty-one".