2864836 has 24 divisors (see below), whose sum is σ = 5548760. Its totient is φ = 1285632.

The previous prime is 2864833. The next prime is 2864843. The reversal of 2864836 is 6384682.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 2656900 = 456^2 + 1630^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 2864795 and 2864804.

It is not an unprimeable number, because it can be changed into a prime (2864831) 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, 1180 + ... + 2668.

2^2864836 is an apocalyptic number.

2864836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2864836 is a deficient number, since it is larger than the sum of its proper divisors (2683924).

2864836 is a wasteful number, since it uses less digits than its factorization.

2864836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1541 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 2864836 is about 1692.5826420001. The cubic root of 2864836 is about 142.0255855504.

The spelling of 2864836 in words is "two million, eight hundred sixty-four thousand, eight hundred thirty-six".