44435609 has 4 divisors (see below), whose sum is σ = 46367616. Its totient is φ = 42503604.

The previous prime is 44435591. The next prime is 44435621. The reversal of 44435609 is 90653444.

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 a de Polignac number, because none of the positive numbers 2^k-44435609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44435639) 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, 965969 + ... + 966014.

It is an arithmetic number, because the mean of its divisors is an integer number (11591904).

Almost surely, 2^44435609 is an apocalyptic number.

It is an amenable number.

44435609 is a deficient number, since it is larger than the sum of its proper divisors (1932007).

44435609 is a wasteful number, since it uses less digits than its factorization.

44435609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932006.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 44435609 is about 6666.0039753964. The cubic root of 44435609 is about 354.1960488534.

The spelling of 44435609 in words is "forty-four million, four hundred thirty-five thousand, six hundred nine".