190399 has 8 divisors (see below), whose sum is σ = 218880. Its totient is φ = 163800.

The previous prime is 190391. The next prime is 190403. The reversal of 190399 is 993091.

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

It is a cyclic number.

It is not a de Polignac number, because 190399 - 2³ = 190391 is a prime.

190399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 190399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190391) 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, 247 + ... + 664.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2¹⁹⁰³⁹⁹ is an apocalyptic number.

190399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

190399 is a deficient number, since it is larger than the sum of its proper divisors (28481).

190399 is a wasteful number, since it uses less digits than its factorization.

190399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 190399 is about 436.3473387108. The cubic root of 190399 is about 57.5291849322.

It can be divided in two parts, 1903 and 99, that added together give a palindrome (2002).

The spelling of 190399 in words is "one hundred ninety thousand, three hundred ninety-nine".