2699988 has 24 divisors (see below), whose sum is σ = 6390720. Its totient is φ = 887040.

The previous prime is 2699981. The next prime is 2699989. The reversal of 2699988 is 8899962.

It is a self number, because there is not a number n which added to its sum of digits gives 2699988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2699981) 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, 733 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (266280).

2^2699988 is an apocalyptic number.

It is an amenable number.

2699988 is an abundant number, since it is smaller than the sum of its proper divisors (3690732).

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

2699988 is a wasteful number, since it uses less digits than its factorization.

2699988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3245 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The square root of 2699988 is about 1643.1640210277. The cubic root of 2699988 is about 139.2474587152.

The spelling of 2699988 in words is "two million, six hundred ninety-nine thousand, nine hundred eighty-eight".