2160458 has 4 divisors (see below), whose sum is σ = 3240690. Its totient is φ = 1080228.

The previous prime is 2160443. The next prime is 2160461. The reversal of 2160458 is 8540612.

2160458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1951609 + 208849 = 1397^2 + 457^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540113 + ... + 540116.

2^2160458 is an apocalyptic number.

2160458 is a deficient number, since it is larger than the sum of its proper divisors (1080232).

2160458 is a wasteful number, since it uses less digits than its factorization.

2160458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080231.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2160458 is about 1469.8496521754. The cubic root of 2160458 is about 129.2752171552.

The spelling of 2160458 in words is "two million, one hundred sixty thousand, four hundred fifty-eight".