1894198 has 8 divisors (see below), whose sum is σ = 2850408. Its totient is φ = 944064.

The previous prime is 1894181. The next prime is 1894213. The reversal of 1894198 is 8914981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1894198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (356301).

2^1894198 is an apocalyptic number.

1894198 is a deficient number, since it is larger than the sum of its proper divisors (956210).

1894198 is a wasteful number, since it uses less digits than its factorization.

1894198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its digits is 20736, while the sum is 40.

The square root of 1894198 is about 1376.2986594486. The cubic root of 1894198 is about 123.7300318086.

The spelling of 1894198 in words is "one million, eight hundred ninety-four thousand, one hundred ninety-eight".