4421894 has 4 divisors (see below), whose sum is σ = 6632844. Its totient is φ = 2210946.

The previous prime is 4421869. The next prime is 4421897. The reversal of 4421894 is 4981244.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4421894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105472 + ... + 1105475.

It is an arithmetic number, because the mean of its divisors is an integer number (1658211).

Almost surely, 2^4421894 is an apocalyptic number.

4421894 is a deficient number, since it is larger than the sum of its proper divisors (2210950).

4421894 is a wasteful number, since it uses less digits than its factorization.

4421894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210949.

The product of its digits is 9216, while the sum is 32.

The square root of 4421894 is about 2102.8299978838. The cubic root of 4421894 is about 164.1355957700.

The spelling of 4421894 in words is "four million, four hundred twenty-one thousand, eight hundred ninety-four".