2180395 has 8 divisors (see below), whose sum is σ = 2990304. Its totient is φ = 1495104.

The previous prime is 2180393. The next prime is 2180417. The reversal of 2180395 is 5930812.

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 2180395 - 2¹ = 2180393 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2180393) 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, 31114 + ... + 31183.

It is an arithmetic number, because the mean of its divisors is an integer number (373788).

2^2180395 is an apocalyptic number.

2180395 is a deficient number, since it is larger than the sum of its proper divisors (809909).

2180395 is an equidigital number, since it uses as much as digits as its factorization.

2180395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62309.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2180395 is about 1476.6160638433. The cubic root of 2180395 is about 129.6716566023.

The spelling of 2180395 in words is "two million, one hundred eighty thousand, three hundred ninety-five".