44286638 has 16 divisors (see below), whose sum is σ = 75620736. Its totient is φ = 19254840.

The previous prime is 44286637. The next prime is 44286647. The reversal of 44286638 is 83668244.

44286638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44286638² = 3922612610686088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44286595 and 44286604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44286637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43256 + ... + 44267.

It is an arithmetic number, because the mean of its divisors is an integer number (4726296).

Almost surely, 2^44286638 is an apocalyptic number.

44286638 is a deficient number, since it is larger than the sum of its proper divisors (31334098).

44286638 is a wasteful number, since it uses less digits than its factorization.

44286638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87559.

The product of its digits is 221184, while the sum is 41.

The square root of 44286638 is about 6654.8206587405. The cubic root of 44286638 is about 353.7997899676.

It can be divided in two parts, 44 and 286638, that added together give a palindrome (286682).

The spelling of 44286638 in words is "forty-four million, two hundred eighty-six thousand, six hundred thirty-eight".