2684279 has 4 divisors (see below), whose sum is σ = 2890776. Its totient is φ = 2477784.

The previous prime is 2684273. The next prime is 2684287. The reversal of 2684279 is 9724862.

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

It is a cyclic number.

It is not a de Polignac number, because 2684279 - 2⁸ = 2684023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684273) 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, 103229 + ... + 103254.

It is an arithmetic number, because the mean of its divisors is an integer number (722694).

2^2684279 is an apocalyptic number.

2684279 is a deficient number, since it is larger than the sum of its proper divisors (206497).

2684279 is a wasteful number, since it uses less digits than its factorization.

2684279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206496.

The product of its digits is 48384, while the sum is 38.

The square root of 2684279 is about 1638.3769407557. The cubic root of 2684279 is about 138.9768779579.

The spelling of 2684279 in words is "two million, six hundred eighty-four thousand, two hundred seventy-nine".