194320443 has 16 divisors (see below), whose sum is σ = 266466816. Its totient is φ = 125885760.

The previous prime is 194320433. The next prime is 194320447. The reversal of 194320443 is 344023491.

194320443 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 194320443 - 2⁸ = 194320187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194320443.

It is not an unprimeable number, because it can be changed into a prime (194320447) 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, 29346 + ... + 35352.

It is an arithmetic number, because the mean of its divisors is an integer number (16654176).

Almost surely, 2^194320443 is an apocalyptic number.

194320443 is a deficient number, since it is larger than the sum of its proper divisors (72146373).

194320443 is a wasteful number, since it uses less digits than its factorization.

194320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 194320443 is about 13939.8867642460. The cubic root of 194320443 is about 579.2145958667.

The spelling of 194320443 in words is "one hundred ninety-four million, three hundred twenty thousand, four hundred forty-three".