443902 has 4 divisors (see below), whose sum is σ = 665856. Its totient is φ = 221950.

The previous prime is 443899. The next prime is 443909. The reversal of 443902 is 209344.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110974 + ... + 110977.

It is an arithmetic number, because the mean of its divisors is an integer number (166464).

2⁴⁴³⁹⁰² is an apocalyptic number.

443902 is a deficient number, since it is larger than the sum of its proper divisors (221954).

443902 is a wasteful number, since it uses less digits than its factorization.

443902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221953.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 443902 is about 666.2597091225. The cubic root of 443902 is about 76.2832230032.

The spelling of 443902 in words is "four hundred forty-three thousand, nine hundred two".