444622685 has 8 divisors (see below), whose sum is σ = 574589400. Its totient is φ = 328336704.

The previous prime is 444622681. The next prime is 444622691. The reversal of 444622685 is 586226444.

It can be written as a sum of positive squares in 4 ways, for example, as 3076516 + 441546169 = 1754^2 + 21013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444622685 - 2² = 444622681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444622681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3420110 + ... + 3420239.

It is an arithmetic number, because the mean of its divisors is an integer number (71823675).

Almost surely, 2^444622685 is an apocalyptic number.

It is an amenable number.

444622685 is a deficient number, since it is larger than the sum of its proper divisors (129966715).

444622685 is a wasteful number, since it uses less digits than its factorization.

444622685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840367.

The product of its digits is 368640, while the sum is 41.

The square root of 444622685 is about 21086.0779899914. The cubic root of 444622685 is about 763.2448319855.

The spelling of 444622685 in words is "four hundred forty-four million, six hundred twenty-two thousand, six hundred eighty-five".