1968198 has 16 divisors (see below), whose sum is σ = 3956736. Its totient is φ = 652680.

The previous prime is 1968193. The next prime is 1968199. The reversal of 1968198 is 8918691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (247296).

2^1968198 is an apocalyptic number.

1968198 is an abundant number, since it is smaller than the sum of its proper divisors (1988538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968198 is a wasteful number, since it uses less digits than its factorization.

1968198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its digits is 31104, while the sum is 42.

The square root of 1968198 is about 1402.9248019762. The cubic root of 1968198 is about 125.3207336688.

The spelling of 1968198 in words is "one million, nine hundred sixty-eight thousand, one hundred ninety-eight".