2642279 has 8 divisors (see below), whose sum is σ = 2713200. Its totient is φ = 2572416.

The previous prime is 2642257. The next prime is 2642287. The reversal of 2642279 is 9722462.

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

It is a cyclic number.

It is not a de Polignac number, because 2642279 - 2²⁰ = 1593703 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 (2642239) 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, 7397 + ... + 7745.

It is an arithmetic number, because the mean of its divisors is an integer number (339150).

2^2642279 is an apocalyptic number.

2642279 is a deficient number, since it is larger than the sum of its proper divisors (70921).

2642279 is a wasteful number, since it uses less digits than its factorization.

2642279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its digits is 12096, while the sum is 32.

The square root of 2642279 is about 1625.5088434087. The cubic root of 2642279 is about 138.2482229965.

The spelling of 2642279 in words is "two million, six hundred forty-two thousand, two hundred seventy-nine".