2889885 has 32 divisors (see below), whose sum is σ = 4902912. Its totient is φ = 1451520.

The previous prime is 2889883. The next prime is 2889923. The reversal of 2889885 is 5889882.

2889885 = 21² + 22² + ... + 205².

It is not a de Polignac number, because 2889885 - 2¹ = 2889883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22692 + ... + 22818.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^2889885 is an apocalyptic number.

It is an amenable number.

2889885 is a deficient number, since it is larger than the sum of its proper divisors (2013027).

2889885 is a wasteful number, since it uses less digits than its factorization.

2889885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its digits is 368640, while the sum is 48.

The square root of 2889885 is about 1699.9661761341. The cubic root of 2889885 is about 142.4383235709.

The spelling of 2889885 in words is "two million, eight hundred eighty-nine thousand, eight hundred eighty-five".