44021906 has 16 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 21226608.

The previous prime is 44021903. The next prime is 44021911. The reversal of 44021906 is 60912044.

It is not an unprimeable number, because it can be changed into a prime (44021903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^44021906 is an apocalyptic number.

44021906 is a deficient number, since it is larger than the sum of its proper divisors (24406894).

44021906 is a wasteful number, since it uses less digits than its factorization.

44021906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 44021906 is about 6634.9006021191. The cubic root of 44021906 is about 353.0934115477.

The spelling of 44021906 in words is "forty-four million, twenty-one thousand, nine hundred six".