2279678 has 16 divisors (see below), whose sum is σ = 3580416. Its totient is φ = 1087320.

The previous prime is 2279663. The next prime is 2279687. The reversal of 2279678 is 8769722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (223776).

2^2279678 is an apocalyptic number.

2279678 is a deficient number, since it is larger than the sum of its proper divisors (1300738).

2279678 is a wasteful number, since it uses less digits than its factorization.

2279678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 84672, while the sum is 41.

The square root of 2279678 is about 1509.8602584345. The cubic root of 2279678 is about 131.6106910135.

The spelling of 2279678 in words is "two million, two hundred seventy-nine thousand, six hundred seventy-eight".