44436661 has 8 divisors (see below), whose sum is σ = 45662400. Its totient is φ = 43217760.

The previous prime is 44436653. The next prime is 44436701. The reversal of 44436661 is 16663444.

44436661 = 1021² + 1022² + ... + 1061².

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 44436661 - 2³ = 44436653 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 (44436461) 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, 13210 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (5707800).

Almost surely, 2^44436661 is an apocalyptic number.

44436661 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44436661 is a deficient number, since it is larger than the sum of its proper divisors (1225739).

44436661 is a wasteful number, since it uses less digits than its factorization.

44436661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419.

The product of its digits is 41472, while the sum is 34.

The square root of 44436661 is about 6666.0828827731. The cubic root of 44436661 is about 354.1988439938.

The spelling of 44436661 in words is "forty-four million, four hundred thirty-six thousand, six hundred sixty-one".