2678263 has 8 divisors (see below), whose sum is σ = 3081632. Its totient is φ = 2280096.

The previous prime is 2678251. The next prime is 2678311. The reversal of 2678263 is 3628762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2678263 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 (2678363) 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, 120 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (385204).

2^2678263 is an apocalyptic number.

2678263 is a deficient number, since it is larger than the sum of its proper divisors (403369).

2678263 is a wasteful number, since it uses less digits than its factorization.

2678263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its digits is 24192, while the sum is 34.

The square root of 2678263 is about 1636.5399475723. The cubic root of 2678263 is about 138.8729754093.

The spelling of 2678263 in words is "two million, six hundred seventy-eight thousand, two hundred sixty-three".