2881588 has 6 divisors (see below), whose sum is σ = 5042786. Its totient is φ = 1440792.

The previous prime is 2881573. The next prime is 2881589. The reversal of 2881588 is 8851882.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 1170724 = 1308^2 + 1082^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2881588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360195 + ... + 360202.

2^2881588 is an apocalyptic number.

It is an amenable number.

2881588 is a deficient number, since it is larger than the sum of its proper divisors (2161198).

2881588 is a wasteful number, since it uses less digits than its factorization.

2881588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720401 (or 720399 counting only the distinct ones).

The product of its digits is 40960, while the sum is 40.

The square root of 2881588 is about 1697.5240793579. The cubic root of 2881588 is about 142.3018771275.

The spelling of 2881588 in words is "two million, eight hundred eighty-one thousand, five hundred eighty-eight".