444402 has 24 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 126936.

The previous prime is 444401. The next prime is 444403. The reversal of 444402 is 204444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444401) and next prime (444403).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (444401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1638 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (45864).

2⁴⁴⁴⁴⁰² is an apocalyptic number.

444402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

444402 is an abundant number, since it is smaller than the sum of its proper divisors (656334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444402 is a wasteful number, since it uses less digits than its factorization.

444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 444402 is about 666.6348325733. The cubic root of 444402 is about 76.3118534215.

Adding to 444402 its reverse (204444), we get a palindrome (648846).

The spelling of 444402 in words is "four hundred forty-four thousand, four hundred two", and thus it is an iban number.