2841864 has 16 divisors (see below), whose sum is σ = 7104720. Its totient is φ = 947280.

The previous prime is 2841851. The next prime is 2841869. The reversal of 2841864 is 4681482.

It is a super-3 number, since 3×2841864³ = 68854309333147141632, which contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2841869) 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, 59182 + ... + 59229.

It is an arithmetic number, because the mean of its divisors is an integer number (444045).

2^2841864 is an apocalyptic number.

2841864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2841864 is an abundant number, since it is smaller than the sum of its proper divisors (4262856).

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

2841864 is a wasteful number, since it uses less digits than its factorization.

2841864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118420 (or 118416 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 2841864 is about 1685.7829041724. The cubic root of 2841864 is about 141.6449504583.

It can be divided in two parts, 28418 and 64, that added together give a palindrome (28482).

The spelling of 2841864 in words is "two million, eight hundred forty-one thousand, eight hundred sixty-four".