444021234 has 16 divisors (see below), whose sum is σ = 888249888. Its totient is φ = 147972512.

The previous prime is 444021169. The next prime is 444021239. The reversal of 444021234 is 432120444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444021239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42169 + ... + 51635.

It is an arithmetic number, because the mean of its divisors is an integer number (55515618).

Almost surely, 2^444021234 is an apocalyptic number.

444021234 is an abundant number, since it is smaller than the sum of its proper divisors (444228654).

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

444021234 is a wasteful number, since it uses less digits than its factorization.

444021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17289.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444021234 is about 21071.8113602035. The cubic root of 444021234 is about 762.9005239316.

Adding to 444021234 its reverse (432120444), we get a palindrome (876141678).

The spelling of 444021234 in words is "four hundred forty-four million, twenty-one thousand, two hundred thirty-four".