444866897 has 8 divisors (see below), whose sum is σ = 491515776. Its totient is φ = 400493632.

The previous prime is 444866887. The next prime is 444866899. The reversal of 444866897 is 798668444.

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 444866897 - 2¹² = 444862801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444866899) 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, 568493 + ... + 569274.

It is an arithmetic number, because the mean of its divisors is an integer number (61439472).

Almost surely, 2^444866897 is an apocalyptic number.

It is an amenable number.

444866897 is a deficient number, since it is larger than the sum of its proper divisors (46648879).

444866897 is a wasteful number, since it uses less digits than its factorization.

444866897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137807.

The product of its digits is 9289728, while the sum is 56.

The square root of 444866897 is about 21091.8680301200. The cubic root of 444866897 is about 763.3845455281.

The spelling of 444866897 in words is "four hundred forty-four million, eight hundred sixty-six thousand, eight hundred ninety-seven".