444619396 has 27 divisors (see below), whose sum is σ = 843580773. Its totient is φ = 204955920.

The previous prime is 444619381. The next prime is 444619397. The reversal of 444619396 is 693916444.

The square root of 444619396 is 21086.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 65772100 + 378847296 = 8110^2 + 19464^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444619397) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 547831 + ... + 548641.

Almost surely, 2^444619396 is an apocalyptic number.

444619396 is the 21086-th square number.

It is an amenable number.

444619396 is a deficient number, since it is larger than the sum of its proper divisors (398961377).

444619396 is an equidigital number, since it uses as much as digits as its factorization.

444619396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 826 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The cubic root of 444619396 is about 763.2429500014.

The spelling of 444619396 in words is "four hundred forty-four million, six hundred nineteen thousand, three hundred ninety-six".