44216929 has 4 divisors (see below), whose sum is σ = 44246020. Its totient is φ = 44187840.

The previous prime is 44216917. The next prime is 44216941. The reversal of 44216929 is 92961244.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (44216917) and next prime (44216941).

It can be written as a sum of positive squares in 2 ways, for example, as 42928704 + 1288225 = 6552^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 44216929 - 2¹⁹ = 43692641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44216959) 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 3 ways as a sum of consecutive naturals, for example, 12132 + ... + 15349.

It is an arithmetic number, because the mean of its divisors is an integer number (11061505).

Almost surely, 2^44216929 is an apocalyptic number.

It is an amenable number.

44216929 is a deficient number, since it is larger than the sum of its proper divisors (29091).

44216929 is a wasteful number, since it uses less digits than its factorization.

44216929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29090.

The product of its digits is 31104, while the sum is 37.

The square root of 44216929 is about 6649.5811146267. The cubic root of 44216929 is about 353.6140606506.

It can be divided in two parts, 442 and 16929, that added together give a palindrome (17371).

The spelling of 44216929 in words is "forty-four million, two hundred sixteen thousand, nine hundred twenty-nine".