39094221 has 4 divisors (see below), whose sum is σ = 52125632. Its totient is φ = 26062812.

The previous prime is 39094219. The next prime is 39094241. The reversal of 39094221 is 12249093.

39094221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 39094221 - 2¹ = 39094219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39094241) 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 3 ways as a sum of consecutive naturals, for example, 6515701 + ... + 6515706.

It is an arithmetic number, because the mean of its divisors is an integer number (13031408).

Almost surely, 2^39094221 is an apocalyptic number.

It is an amenable number.

39094221 is a deficient number, since it is larger than the sum of its proper divisors (13031411).

39094221 is a wasteful number, since it uses less digits than its factorization.

39094221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031410.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 39094221 is about 6252.5371650235. The cubic root of 39094221 is about 339.3940215352.

The spelling of 39094221 in words is "thirty-nine million, ninety-four thousand, two hundred twenty-one".