2284780 has 24 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 900480.

The previous prime is 2284757. The next prime is 2284831. The reversal of 2284780 is 874822.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 616 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^2284780 is an apocalyptic number.

2284780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2284780 is an abundant number, since it is smaller than the sum of its proper divisors (2583860).

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

2284780 is a wasteful number, since it uses less digits than its factorization.

2284780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2284780 is about 1511.5488744993. The cubic root of 2284780 is about 131.7088009859.

The spelling of 2284780 in words is "two million, two hundred eighty-four thousand, seven hundred eighty".