2158330 has 8 divisors (see below), whose sum is σ = 3885012. Its totient is φ = 863328.

The previous prime is 2158307. The next prime is 2158333. The reversal of 2158330 is 338512.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 6241 = 1467^2 + 79^2 .

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

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2158333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107907 + ... + 107926.

2^2158330 is an apocalyptic number.

2158330 is a deficient number, since it is larger than the sum of its proper divisors (1726682).

2158330 is a wasteful number, since it uses less digits than its factorization.

2158330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215840.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2158330 is about 1469.1255902747. The cubic root of 2158330 is about 129.2327588689.

The spelling of 2158330 in words is "two million, one hundred fifty-eight thousand, three hundred thirty".