2689312 has 24 divisors (see below), whose sum is σ = 5467392. Its totient is φ = 1300800.

The previous prime is 2689303. The next prime is 2689333. The reversal of 2689312 is 2139862.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (227808).

2^2689312 is an apocalyptic number.

It is an amenable number.

2689312 is an abundant number, since it is smaller than the sum of its proper divisors (2778080).

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

2689312 is a wasteful number, since it uses less digits than its factorization.

2689312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2744 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2689312 is about 1639.9121927713. The cubic root of 2689312 is about 139.0636838766.

The spelling of 2689312 in words is "two million, six hundred eighty-nine thousand, three hundred twelve".