2146198 has 4 divisors (see below), whose sum is σ = 3219300. Its totient is φ = 1073098.

The previous prime is 2146181. The next prime is 2146201. The reversal of 2146198 is 8916412.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536548 + ... + 536551.

It is an arithmetic number, because the mean of its divisors is an integer number (804825).

2^2146198 is an apocalyptic number.

2146198 is a deficient number, since it is larger than the sum of its proper divisors (1073102).

2146198 is a wasteful number, since it uses less digits than its factorization.

2146198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073101.

The product of its digits is 3456, while the sum is 31.

The square root of 2146198 is about 1464.9907849540. The cubic root of 2146198 is about 128.9901641039.

The spelling of 2146198 in words is "two million, one hundred forty-six thousand, one hundred ninety-eight".