44398216 has 8 divisors (see below), whose sum is σ = 83246670. Its totient is φ = 22199104.

The previous prime is 44398213. The next prime is 44398223. The reversal of 44398216 is 61289344.

It can be written as a sum of positive squares in only one way, i.e., 44275716 + 122500 = 6654^2 + 350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (44398213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774881 + ... + 2774896.

Almost surely, 2^44398216 is an apocalyptic number.

It is an amenable number.

44398216 is a deficient number, since it is larger than the sum of its proper divisors (38848454).

44398216 is a wasteful number, since it uses less digits than its factorization.

44398216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549783 (or 5549779 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 44398216 is about 6663.1986312881. The cubic root of 44398216 is about 354.0966678239.

The spelling of 44398216 in words is "forty-four million, three hundred ninety-eight thousand, two hundred sixteen".