2289678 has 16 divisors (see below), whose sum is σ = 4599936. Its totient is φ = 759800.

The previous prime is 2289667. The next prime is 2289689. The reversal of 2289678 is 8769822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2289667) and next prime (2289689).

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁷ + 8 + 9⁵ + 6 + 7³ + 8⁷ .

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, 853 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (287496).

2^2289678 is an apocalyptic number.

2289678 is an abundant number, since it is smaller than the sum of its proper divisors (2310258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289678 is a wasteful number, since it uses less digits than its factorization.

2289678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its digits is 96768, while the sum is 42.

The square root of 2289678 is about 1513.1681995072. The cubic root of 2289678 is about 131.8028507807.

The spelling of 2289678 in words is "two million, two hundred eighty-nine thousand, six hundred seventy-eight".