2198965 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1639872.

The previous prime is 2198909. The next prime is 2198981. The reversal of 2198965 is 5698912.

2198965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2198965 - 2⁹ = 2198453 is a prime.

It is a congruent 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 in 15 ways as a sum of consecutive naturals, for example, 7359 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2198965 is an apocalyptic number.

It is an amenable number.

2198965 is a deficient number, since it is larger than the sum of its proper divisors (623435).

2198965 is a wasteful number, since it uses less digits than its factorization.

2198965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its digits is 38880, while the sum is 40.

The square root of 2198965 is about 1482.8907579454. The cubic root of 2198965 is about 130.0387458473.

The spelling of 2198965 in words is "two million, one hundred ninety-eight thousand, nine hundred sixty-five".