38444166 has 16 divisors (see below), whose sum is σ = 85431600. Its totient is φ = 12814704.

The previous prime is 38444149. The next prime is 38444179. The reversal of 38444166 is 66144483.

It is a self number, because there is not a number n which added to its sum of digits gives 38444166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355911 + ... + 356018.

It is an arithmetic number, because the mean of its divisors is an integer number (5339475).

Almost surely, 2^38444166 is an apocalyptic number.

38444166 is an abundant number, since it is smaller than the sum of its proper divisors (46987434).

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

38444166 is a wasteful number, since it uses less digits than its factorization.

38444166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711940 (or 711934 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 38444166 is about 6200.3359586397. The cubic root of 38444166 is about 337.5023604773.

The spelling of 38444166 in words is "thirty-eight million, four hundred forty-four thousand, one hundred sixty-six".