4189894 has 8 divisors (see below), whose sum is σ = 6300360. Its totient is φ = 2089776.

The previous prime is 4189883. The next prime is 4189897. The reversal of 4189894 is 4989814.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 4189894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (787545).

Almost surely, 2^4189894 is an apocalyptic number.

4189894 is a deficient number, since it is larger than the sum of its proper divisors (2110466).

4189894 is a wasteful number, since it uses less digits than its factorization.

4189894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174.

The product of its digits is 82944, while the sum is 43.

The square root of 4189894 is about 2046.9230566878. The cubic root of 4189894 is about 161.2133534493.

The spelling of 4189894 in words is "four million, one hundred eighty-nine thousand, eight hundred ninety-four".