4194789 has 4 divisors (see below), whose sum is σ = 5593056. Its totient is φ = 2796524.

The previous prime is 4194781. The next prime is 4194793. The reversal of 4194789 is 9874914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4194789 - 2³ = 4194781 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4194789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699129 + ... + 699134.

It is an arithmetic number, because the mean of its divisors is an integer number (1398264).

Almost surely, 2^4194789 is an apocalyptic number.

It is an amenable number.

4194789 is a deficient number, since it is larger than the sum of its proper divisors (1398267).

4194789 is a wasteful number, since it uses less digits than its factorization.

4194789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398266.

The product of its digits is 72576, while the sum is 42.

The square root of 4194789 is about 2048.1184047803. The cubic root of 4194789 is about 161.2761101881.

It can be divided in two parts, 41 and 94789, that added together give a triangular number (94830 = T₄₃₅).

The spelling of 4194789 in words is "four million, one hundred ninety-four thousand, seven hundred eighty-nine".