2819988 has 24 divisors (see below), whose sum is σ = 7311360. Its totient is φ = 939960.

The previous prime is 2819987. The next prime is 2820001. The reversal of 2819988 is 8899182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12948 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (304640).

2^2819988 is an apocalyptic number.

It is an amenable number.

2819988 is an abundant number, since it is smaller than the sum of its proper divisors (4491372).

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

2819988 is a wasteful number, since it uses less digits than its factorization.

2819988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26124 (or 26116 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 2819988 is about 1679.2819894229. The cubic root of 2819988 is about 141.2805640389.

The spelling of 2819988 in words is "two million, eight hundred nineteen thousand, nine hundred eighty-eight".