444739698 has 24 divisors (see below), whose sum is σ = 1037726508. Its totient is φ = 136842912.

The previous prime is 444739697. The next prime is 444739717. The reversal of 444739698 is 896937444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 427124889 + 17614809 = 20667^2 + 4197^2 .

It is not an unprimeable number, because it can be changed into a prime (444739693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950065 + ... + 950532.

Almost surely, 2^444739698 is an apocalyptic number.

444739698 is an abundant number, since it is smaller than the sum of its proper divisors (592986810).

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

444739698 is a wasteful number, since it uses less digits than its factorization.

444739698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900618 (or 1900615 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 444739698 is about 21088.8524581116. The cubic root of 444739698 is about 763.3117814365.

The spelling of 444739698 in words is "four hundred forty-four million, seven hundred thirty-nine thousand, six hundred ninety-eight".