2180324 has 12 divisors (see below), whose sum is σ = 3827964. Its totient is φ = 1086624.

The previous prime is 2180303. The next prime is 2180329. The reversal of 2180324 is 4230812.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 270400 = 1382^2 + 520^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2180296 and 2180305.

It is not an unprimeable number, because it can be changed into a prime (2180329) 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, 902 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (318997).

2^2180324 is an apocalyptic number.

It is an amenable number.

2180324 is a deficient number, since it is larger than the sum of its proper divisors (1647640).

2180324 is a wasteful number, since it uses less digits than its factorization.

2180324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2180324 is about 1476.5920221916. The cubic root of 2180324 is about 129.6702490917.

The spelling of 2180324 in words is "two million, one hundred eighty thousand, three hundred twenty-four".