19085199 has 8 divisors (see below), whose sum is σ = 29082240. Its totient is φ = 10905816.

The previous prime is 19085173. The next prime is 19085201. The reversal of 19085199 is 99158091.

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

It is not a de Polignac number, because 19085199 - 2⁸ = 19084943 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 19085199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19085399) 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, 454389 + ... + 454430.

It is an arithmetic number, because the mean of its divisors is an integer number (3635280).

Almost surely, 2^19085199 is an apocalyptic number.

19085199 is a deficient number, since it is larger than the sum of its proper divisors (9997041).

19085199 is an equidigital number, since it uses as much as digits as its factorization.

19085199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908829.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 19085199 is about 4368.6610076773. The cubic root of 19085199 is about 267.2384213264.

The spelling of 19085199 in words is "nineteen million, eighty-five thousand, one hundred ninety-nine".