2286978 has 16 divisors (see below), whose sum is σ = 4643040. Its totient is φ = 750816.

The previous prime is 2286961. The next prime is 2286979. The reversal of 2286978 is 8796822.

It is a happy number.

It is a d-powerful number, because it can be written as 2 + 2¹⁹ + 8⁵ + 6⁸ + 9³ + 7⁵ + 8⁵ .

It is not an unprimeable number, because it can be changed into a prime (2286979) 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, 2443 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (290190).

2^2286978 is an apocalyptic number.

2286978 is an abundant number, since it is smaller than the sum of its proper divisors (2356062).

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

2286978 is a wasteful number, since it uses less digits than its factorization.

2286978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761.

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

The square root of 2286978 is about 1512.2757685026. The cubic root of 2286978 is about 131.7510228717.

The spelling of 2286978 in words is "two million, two hundred eighty-six thousand, nine hundred seventy-eight".