444250389 has 16 divisors (see below), whose sum is σ = 647369280. Its totient is φ = 268748160.

The previous prime is 444250363. The next prime is 444250421. The reversal of 444250389 is 983052444.

It is not a de Polignac number, because 444250389 - 2⁵ = 444250357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444250189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6297 + ... + 30465.

It is an arithmetic number, because the mean of its divisors is an integer number (40460580).

Almost surely, 2^444250389 is an apocalyptic number.

It is an amenable number.

444250389 is a deficient number, since it is larger than the sum of its proper divisors (203118891).

444250389 is a wasteful number, since it uses less digits than its factorization.

444250389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24740.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 444250389 is about 21077.2481363199. The cubic root of 444250389 is about 763.0317431843.

The spelling of 444250389 in words is "four hundred forty-four million, two hundred fifty thousand, three hundred eighty-nine".