2840988 has 12 divisors (see below), whose sum is σ = 6629000. Its totient is φ = 946992.

The previous prime is 2840987. The next prime is 2841011. The reversal of 2840988 is 8890482.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2840988³ = 68790656268333930816, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840987) 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, 118363 + ... + 118386.

2^2840988 is an apocalyptic number.

It is an amenable number.

2840988 is an abundant number, since it is smaller than the sum of its proper divisors (3788012).

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

2840988 is a wasteful number, since it uses less digits than its factorization.

2840988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236756 (or 236754 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2840988 is about 1685.5230642148. The cubic root of 2840988 is about 141.6303950200.

It can be divided in two parts, 2840 and 988, that added together give a triangular number (3828 = T₈₇).

The spelling of 2840988 in words is "two million, eight hundred forty thousand, nine hundred eighty-eight".