2844864 has 84 divisors (see below), whose sum is σ = 8915400. Its totient is φ = 860160.

The previous prime is 2844833. The next prime is 2844911. The reversal of 2844864 is 4684482.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6112 + ... + 6560.

2^2844864 is an apocalyptic number.

2844864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2844864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4457700).

2844864 is an abundant number, since it is smaller than the sum of its proper divisors (6070536).

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

2844864 is a wasteful number, since it uses less digits than its factorization.

2844864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 465 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 2844864 is about 1686.6724637582. The cubic root of 2844864 is about 141.6947751992.

The spelling of 2844864 in words is "two million, eight hundred forty-four thousand, eight hundred sixty-four".