2864886 has 12 divisors (see below), whose sum is σ = 5738076. Its totient is φ = 953580.

The previous prime is 2864879. The next prime is 2864887. The reversal of 2864886 is 6884682.

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 5 ways as a sum of consecutive naturals, for example, 3801 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (478173).

2^2864886 is an apocalyptic number.

2864886 is an abundant number, since it is smaller than the sum of its proper divisors (2873190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2864886 is an frugal number, since it uses more digits than its factorization.

2864886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387 (or 696 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 2864886 is about 1692.5974122632. The cubic root of 2864886 is about 142.0264118034.

The spelling of 2864886 in words is "two million, eight hundred sixty-four thousand, eight hundred eighty-six".