2160398 has 4 divisors (see below), whose sum is σ = 3240600. Its totient is φ = 1080198.

The previous prime is 2160391. The next prime is 2160409. The reversal of 2160398 is 8930612.

2160398 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 is a self number, because there is not a number n which added to its sum of digits gives 2160398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160391) by changing a digit.

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, 540098 + ... + 540101.

It is an arithmetic number, because the mean of its divisors is an integer number (810150).

2^2160398 is an apocalyptic number.

2160398 is a deficient number, since it is larger than the sum of its proper divisors (1080202).

2160398 is a wasteful number, since it uses less digits than its factorization.

2160398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080201.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2160398 is about 1469.8292417829. The cubic root of 2160398 is about 129.2740204051.

The spelling of 2160398 in words is "two million, one hundred sixty thousand, three hundred ninety-eight".