444123028 has 12 divisors (see below), whose sum is σ = 822933972. Its totient is φ = 208999040.

The previous prime is 444122999. The next prime is 444123037. The reversal of 444123028 is 820321444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 380952324 + 63170704 = 19518^2 + 7948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444122987 and 444123005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265543 + ... + 3265678.

It is an arithmetic number, because the mean of its divisors is an integer number (68577831).

Almost surely, 2^444123028 is an apocalyptic number.

It is an amenable number.

444123028 is a deficient number, since it is larger than the sum of its proper divisors (378810944).

444123028 is a wasteful number, since it uses less digits than its factorization.

444123028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531242 (or 6531240 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 444123028 is about 21074.2266287520. The cubic root of 444123028 is about 762.9588190132.

The spelling of 444123028 in words is "four hundred forty-four million, one hundred twenty-three thousand, twenty-eight".