2864881 has 8 divisors (see below), whose sum is σ = 2983680. Its totient is φ = 2747472.

The previous prime is 2864879. The next prime is 2864887. The reversal of 2864881 is 1884682.

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

It is a cyclic number.

It is not a de Polignac number, because 2864881 - 2¹ = 2864879 is a prime.

It is a super-2 number, since 2×2864881² = 16415086288322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2864881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6246 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

2^2864881 is an apocalyptic number.

It is an amenable number.

2864881 is a deficient number, since it is larger than the sum of its proper divisors (118799).

2864881 is a wasteful number, since it uses less digits than its factorization.

2864881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its digits is 24576, while the sum is 37.

The square root of 2864881 is about 1692.5959352427. The cubic root of 2864881 is about 142.0263291785.

The spelling of 2864881 in words is "two million, eight hundred sixty-four thousand, eight hundred eighty-one".