2284978 has 16 divisors (see below), whose sum is σ = 3640320. Its totient is φ = 1072656.

The previous prime is 2284963. The next prime is 2285039. The reversal of 2284978 is 8794822.

It is a super-2 number, since 2×2284978² = 10442248920968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2284978.

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, 5775 + ... + 6157.

It is an arithmetic number, because the mean of its divisors is an integer number (227520).

2^2284978 is an apocalyptic number.

2284978 is a deficient number, since it is larger than the sum of its proper divisors (1355342).

2284978 is a wasteful number, since it uses less digits than its factorization.

2284978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 64512, while the sum is 40.

The square root of 2284978 is about 1511.6143688124. The cubic root of 2284978 is about 131.7126055228.

The spelling of 2284978 in words is "two million, two hundred eighty-four thousand, nine hundred seventy-eight".