2884440 has 96 divisors (see below), whose sum is σ = 9540720. Its totient is φ = 693504.

The previous prime is 2884439. The next prime is 2884471. The reversal of 2884440 is 444882.

It is a super-2 number, since 2×2884440² = 16639988227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2884398 and 2884407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67059 + ... + 67101.

2^2884440 is an apocalyptic number.

2884440 is a gapful number since it is divisible by the number (20) 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 2884440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4770360).

2884440 is an abundant number, since it is smaller than the sum of its proper divisors (6656280).

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

2884440 is a wasteful number, since it uses less digits than its factorization.

2884440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 2884440 is about 1698.3639185993. The cubic root of 2884440 is about 142.3488085572.

The spelling of 2884440 in words is "two million, eight hundred eighty-four thousand, four hundred forty".