2144680 has 16 divisors (see below), whose sum is σ = 4825620. Its totient is φ = 857856.

The previous prime is 2144677. The next prime is 2144683. The reversal of 2144680 is 864412.

It is an interprime number because it is at equal distance from previous prime (2144677) and next prime (2144683).

It can be written as a sum of positive squares in 2 ways, for example, as 2010724 + 133956 = 1418^2 + 366^2 .

It is not an unprimeable number, because it can be changed into a prime (2144683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26769 + ... + 26848.

2^2144680 is an apocalyptic number.

2144680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144680 is an abundant number, since it is smaller than the sum of its proper divisors (2680940).

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

2144680 is a wasteful number, since it uses less digits than its factorization.

2144680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53628 (or 53624 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2144680 is about 1464.4726013142. The cubic root of 2144680 is about 128.9597454672.

The spelling of 2144680 in words is "two million, one hundred forty-four thousand, six hundred eighty".