44433661 has 4 divisors (see below), whose sum is σ = 44629632. Its totient is φ = 44237692.

The previous prime is 44433643. The next prime is 44433673. The reversal of 44433661 is 16633444.

It is a happy number.

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 44433661 - 2¹¹ = 44431613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44433601) 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, 97645 + ... + 98098.

It is an arithmetic number, because the mean of its divisors is an integer number (11157408).

Almost surely, 2^44433661 is an apocalyptic number.

It is an amenable number.

44433661 is a deficient number, since it is larger than the sum of its proper divisors (195971).

44433661 is a wasteful number, since it uses less digits than its factorization.

44433661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195970.

The product of its digits is 20736, while the sum is 31.

The square root of 44433661 is about 6665.8578592706. The cubic root of 44433661 is about 354.1908729445.

The spelling of 44433661 in words is "forty-four million, four hundred thirty-three thousand, six hundred sixty-one".