44543398 has 4 divisors (see below), whose sum is σ = 66815100. Its totient is φ = 22271698.

The previous prime is 44543393. The next prime is 44543423. The reversal of 44543398 is 89334544.

It is a happy number.

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

It is a super-2 number, since 2×44543398² = 3968228610772808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 44543398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44543393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135848 + ... + 11135851.

It is an arithmetic number, because the mean of its divisors is an integer number (16703775).

Almost surely, 2^44543398 is an apocalyptic number.

44543398 is a deficient number, since it is larger than the sum of its proper divisors (22271702).

44543398 is a wasteful number, since it uses less digits than its factorization.

44543398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22271701.

The product of its digits is 207360, while the sum is 40.

The square root of 44543398 is about 6674.0840570074. The cubic root of 44543398 is about 354.4822128110.

The spelling of 44543398 in words is "forty-four million, five hundred forty-three thousand, three hundred ninety-eight".