2888445 has 16 divisors (see below), whose sum is σ = 5281920. Its totient is φ = 1320384.

The previous prime is 2888443. The next prime is 2888449. The reversal of 2888445 is 5448882.

It is not a de Polignac number, because 2888445 - 2¹ = 2888443 is a prime.

It is a super-2 number, since 2×2888445² = 16686229036050, which contains 22 as substring.

2888445 is a lucky number.

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 15 ways as a sum of consecutive naturals, for example, 13650 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (330120).

2^2888445 is an apocalyptic number.

It is an amenable number.

2888445 is a deficient number, since it is larger than the sum of its proper divisors (2393475).

2888445 is a wasteful number, since it uses less digits than its factorization.

2888445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27524.

The product of its digits is 81920, while the sum is 39.

The square root of 2888445 is about 1699.5425855212. The cubic root of 2888445 is about 142.4146611225.

Subtracting from 2888445 its sum of digits (39), we obtain a triangular number (2888406 = T₂₄₀₃).

It can be divided in two parts, 2888 and 445, that added together give a palindrome (3333).

The spelling of 2888445 in words is "two million, eight hundred eighty-eight thousand, four hundred forty-five".