190985443 has 16 divisors (see below), whose sum is σ = 212290560. Its totient is φ = 170359200.

The previous prime is 190985441. The next prime is 190985461. The reversal of 190985443 is 344589091.

It is a happy number.

190985443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190985443 - 2¹ = 190985441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190985443.

It is not an unprimeable number, because it can be changed into a prime (190985441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352753 + ... + 353293.

It is an arithmetic number, because the mean of its divisors is an integer number (13268160).

Almost surely, 2^190985443 is an apocalyptic number.

190985443 is a deficient number, since it is larger than the sum of its proper divisors (21305117).

190985443 is a wasteful number, since it uses less digits than its factorization.

190985443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 190985443 is about 13819.7482972737. The cubic root of 190985443 is about 575.8818910917.

The spelling of 190985443 in words is "one hundred ninety million, nine hundred eighty-five thousand, four hundred forty-three".