44436621 has 8 divisors (see below), whose sum is σ = 61824960. Its totient is φ = 28336352.

The previous prime is 44436619. The next prime is 44436653. The reversal of 44436621 is 12663444.

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 44436621 - 2¹ = 44436619 is a prime.

It is a super-2 number, since 2×44436621² = 3949226571795282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44435621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321936 + ... + 322073.

It is an arithmetic number, because the mean of its divisors is an integer number (7728120).

Almost surely, 2^44436621 is an apocalyptic number.

It is an amenable number.

44436621 is a deficient number, since it is larger than the sum of its proper divisors (17388339).

44436621 is a wasteful number, since it uses less digits than its factorization.

44436621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644035.

The product of its digits is 13824, while the sum is 30.

The square root of 44436621 is about 6666.0798825097. The cubic root of 44436621 is about 354.1987377155.

The spelling of 44436621 in words is "forty-four million, four hundred thirty-six thousand, six hundred twenty-one".