44446321 has 4 divisors (see below), whose sum is σ = 44465152. Its totient is φ = 44427492.

The previous prime is 44446319. The next prime is 44446331. The reversal of 44446321 is 12364444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44446321 - 2¹ = 44446319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44446321.

It is not an unprimeable number, because it can be changed into a prime (44446331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5265 + ... + 10798.

It is an arithmetic number, because the mean of its divisors is an integer number (11116288).

Almost surely, 2^44446321 is an apocalyptic number.

It is an amenable number.

44446321 is a deficient number, since it is larger than the sum of its proper divisors (18831).

44446321 is a wasteful number, since it uses less digits than its factorization.

44446321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18830.

The product of its digits is 9216, while the sum is 28.

The square root of 44446321 is about 6666.8074068477. The cubic root of 44446321 is about 354.2245083353.

The spelling of 44446321 in words is "forty-four million, four hundred forty-six thousand, three hundred twenty-one".