2887031 has 16 divisors (see below), whose sum is σ = 3552000. Its totient is φ = 2339064.

The previous prime is 2887021. The next prime is 2887033. The reversal of 2887031 is 1307882.

It is a de Polignac number, because none of the positive numbers 2^k-2887031 is a prime.

It is a super-2 number, since 2×2887031² = 16669895989922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2886985 and 2887003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6296 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (222000).

2^2887031 is an apocalyptic number.

2887031 is a deficient number, since it is larger than the sum of its proper divisors (664969).

2887031 is an equidigital number, since it uses as much as digits as its factorization.

2887031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2887031 is about 1699.1265403142. The cubic root of 2887031 is about 142.3914182589.

The spelling of 2887031 in words is "two million, eight hundred eighty-seven thousand, thirty-one".