2287660 has 24 divisors (see below), whose sum is σ = 4853520. Its totient is φ = 905664.

The previous prime is 2287633. The next prime is 2287661. The reversal of 2287660 is 667822.

It is a happy number.

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 not an unprimeable number, because it can be changed into a prime (2287661) 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, 1606 + ... + 2674.

It is an arithmetic number, because the mean of its divisors is an integer number (202230).

2^2287660 is an apocalyptic number.

2287660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2287660 is an abundant number, since it is smaller than the sum of its proper divisors (2565860).

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

2287660 is a wasteful number, since it uses less digits than its factorization.

2287660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2287660 is about 1512.5012396689. The cubic root of 2287660 is about 131.7641180665.

The spelling of 2287660 in words is "two million, two hundred eighty-seven thousand, six hundred sixty".