2198953 has 4 divisors (see below), whose sum is σ = 2252628. Its totient is φ = 2145280.

The previous prime is 2198909. The next prime is 2198981. The reversal of 2198953 is 3598912.

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

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 1993744 = 453^2 + 1412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2198953 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 (2198153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26776 + ... + 26857.

It is an arithmetic number, because the mean of its divisors is an integer number (563157).

2^2198953 is an apocalyptic number.

It is an amenable number.

2198953 is a deficient number, since it is larger than the sum of its proper divisors (53675).

2198953 is an equidigital number, since it uses as much as digits as its factorization.

2198953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53674.

The product of its digits is 19440, while the sum is 37.

The square root of 2198953 is about 1482.8867117889. The cubic root of 2198953 is about 130.0385093015.

The spelling of 2198953 in words is "two million, one hundred ninety-eight thousand, nine hundred fifty-three".