2888440 has 16 divisors (see below), whose sum is σ = 6499080. Its totient is φ = 1155360.

The previous prime is 2888387. The next prime is 2888441. The reversal of 2888440 is 448882.

It is a junction number, because it is equal to n+sod(n) for n = 2888396 and 2888405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2888441) 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, 36066 + ... + 36145.

2^2888440 is an apocalyptic number.

2888440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2888440 is an abundant number, since it is smaller than the sum of its proper divisors (3610640).

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

2888440 is a wasteful number, since it uses less digits than its factorization.

2888440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72222 (or 72218 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 2888440 is about 1699.5411145365. The cubic root of 2888440 is about 142.4145789475.

Subtracting from 2888440 its sum of digits (34), we obtain a triangular number (2888406 = T₂₄₀₃).

The spelling of 2888440 in words is "two million, eight hundred eighty-eight thousand, four hundred forty".