2684249 has 4 divisors (see below), whose sum is σ = 2842164. Its totient is φ = 2526336.

The previous prime is 2684237. The next prime is 2684257. The reversal of 2684249 is 9424862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 1338649 = 1160^2 + 1157^2 .

It is not a de Polignac number, because 2684249 - 2⁴ = 2684233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2684219) 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, 78932 + ... + 78965.

It is an arithmetic number, because the mean of its divisors is an integer number (710541).

2^2684249 is an apocalyptic number.

It is an amenable number.

2684249 is a deficient number, since it is larger than the sum of its proper divisors (157915).

2684249 is a wasteful number, since it uses less digits than its factorization.

2684249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157914.

The product of its digits is 27648, while the sum is 35.

The square root of 2684249 is about 1638.3677853278. The cubic root of 2684249 is about 138.9763602122.

The spelling of 2684249 in words is "two million, six hundred eighty-four thousand, two hundred forty-nine".