193842190 has 8 divisors (see below), whose sum is σ = 348915960. Its totient is φ = 77536872.

The previous prime is 193842179. The next prime is 193842193. The reversal of 193842190 is 91248391.

193842190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×193842190² = 75149589247992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193842193) 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, 9692100 + ... + 9692119.

It is an arithmetic number, because the mean of its divisors is an integer number (43614495).

Almost surely, 2^193842190 is an apocalyptic number.

193842190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193842190 is a deficient number, since it is larger than the sum of its proper divisors (155073770).

193842190 is a wasteful number, since it uses less digits than its factorization.

193842190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19384226.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 193842190 is about 13922.7220758011. The cubic root of 193842190 is about 578.7390262681.

The spelling of 193842190 in words is "one hundred ninety-three million, eight hundred forty-two thousand, one hundred ninety".