44213634 has 32 divisors (see below), whose sum is σ = 104034240. Its totient is φ = 13870656.

The previous prime is 44213581. The next prime is 44213639. The reversal of 44213634 is 43631244.

44213634 is a `hidden beast` number, since 4 + 4 + 21 + 3 + 634 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 44213598 and 44213607.

It is not an unprimeable number, because it can be changed into a prime (44213639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23164 + ... + 24999.

It is an arithmetic number, because the mean of its divisors is an integer number (3251070).

Almost surely, 2^44213634 is an apocalyptic number.

44213634 is an abundant number, since it is smaller than the sum of its proper divisors (59820606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44213634 is a wasteful number, since it uses less digits than its factorization.

44213634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48191 (or 48185 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 44213634 is about 6649.3333500434. Note that the first 4 decimals coincide. The cubic root of 44213634 is about 353.6052767805.

Adding to 44213634 its reverse (43631244), we get a palindrome (87844878).

The spelling of 44213634 in words is "forty-four million, two hundred thirteen thousand, six hundred thirty-four".