2868931 has 4 divisors (see below), whose sum is σ = 3089632. Its totient is φ = 2648232.

The previous prime is 2868919. The next prime is 2868947. The reversal of 2868931 is 1398682.

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

It is a cyclic number.

It is not a de Polignac number, because 2868931 - 2¹¹ = 2866883 is a prime.

It is a super-2 number, since 2×2868931² = 16461530165522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2868961) 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, 110331 + ... + 110356.

It is an arithmetic number, because the mean of its divisors is an integer number (772408).

2^2868931 is an apocalyptic number.

2868931 is a deficient number, since it is larger than the sum of its proper divisors (220701).

2868931 is a wasteful number, since it uses less digits than its factorization.

2868931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220700.

The product of its digits is 20736, while the sum is 37.

The square root of 2868931 is about 1693.7918998507. The cubic root of 2868931 is about 142.0932238471.

The spelling of 2868931 in words is "two million, eight hundred sixty-eight thousand, nine hundred thirty-one".