441693828 has 72 divisors (see below), whose sum is σ = 1165731840. Its totient is φ = 140849280.

The previous prime is 441693793. The next prime is 441693829. The reversal of 441693828 is 828396144.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (441693829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97101 + ... + 101547.

It is an arithmetic number, because the mean of its divisors is an integer number (16190720).

Almost surely, 2^441693828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441693828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582865920).

441693828 is an abundant number, since it is smaller than the sum of its proper divisors (724038012).

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

441693828 is a wasteful number, since it uses less digits than its factorization.

441693828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4572 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 441693828 is about 21016.5132217502. The cubic root of 441693828 is about 761.5652344523.

The spelling of 441693828 in words is "four hundred forty-one million, six hundred ninety-three thousand, eight hundred twenty-eight".