2187329 has 8 divisors (see below), whose sum is σ = 2320128. Its totient is φ = 2058480.

The previous prime is 2187319. The next prime is 2187331. The reversal of 2187329 is 9237812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2187329 - 2¹⁶ = 2121793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2187295 and 2187304.

It is not an unprimeable number, because it can be changed into a prime (2187319) 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, 194 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (290016).

2^2187329 is an apocalyptic number.

It is an amenable number.

2187329 is a deficient number, since it is larger than the sum of its proper divisors (132799).

2187329 is a wasteful number, since it uses less digits than its factorization.

2187329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 6048, while the sum is 32.

The square root of 2187329 is about 1478.9621360941. The cubic root of 2187329 is about 129.8089699191.

The spelling of 2187329 in words is "two million, one hundred eighty-seven thousand, three hundred twenty-nine".