199498194 has 64 divisors (see below), whose sum is σ = 508135680. Its totient is φ = 56833920.

The previous prime is 199498193. The next prime is 199498207. The reversal of 199498194 is 491894991.

199498194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 199498194.

It is not an unprimeable number, because it can be changed into a prime (199498193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196432 + ... + 197444.

It is an arithmetic number, because the mean of its divisors is an integer number (7939620).

Almost surely, 2^199498194 is an apocalyptic number.

199498194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199498194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254067840).

199498194 is an abundant number, since it is smaller than the sum of its proper divisors (308637486).

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

199498194 is a wasteful number, since it uses less digits than its factorization.

199498194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1546 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 199498194 is about 14124.3829599739. The cubic root of 199498194 is about 584.3140414704.

The spelling of 199498194 in words is "one hundred ninety-nine million, four hundred ninety-eight thousand, one hundred ninety-four".