44197643 has 4 divisors (see below), whose sum is σ = 50511600. Its totient is φ = 37883688.

The previous prime is 44197627. The next prime is 44197663. The reversal of 44197643 is 34679144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44197643 - 2⁴ = 44197627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44197597 and 44197606.

It is not an unprimeable number, because it can be changed into a prime (44197663) 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, 3156968 + ... + 3156981.

It is an arithmetic number, because the mean of its divisors is an integer number (12627900).

Almost surely, 2^44197643 is an apocalyptic number.

44197643 is a deficient number, since it is larger than the sum of its proper divisors (6313957).

44197643 is an equidigital number, since it uses as much as digits as its factorization.

44197643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313956.

The product of its digits is 72576, while the sum is 38.

The square root of 44197643 is about 6648.1307899289. The cubic root of 44197643 is about 353.5626414868.

The spelling of 44197643 in words is "forty-four million, one hundred ninety-seven thousand, six hundred forty-three".