3939928227 has 6 divisors (see below), whose sum is σ = 5691007452. Its totient is φ = 2626618812.

The previous prime is 3939928199. The next prime is 3939928241. The reversal of 3939928227 is 7228299393.

It is a happy number.

3939928227 is a `hidden beast` number, since 3 + 9 + 399 + 28 + 227 = 666.

3939928227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3939928227 - 2⁶ = 3939928163 is a prime.

It is a super-2 number, since 2×3939928227² = 31046068867822727058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3939928127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218884893 + ... + 218884910.

It is an arithmetic number, because the mean of its divisors is an integer number (948501242).

Almost surely, 2^3939928227 is an apocalyptic number.

3939928227 is a deficient number, since it is larger than the sum of its proper divisors (1751079225).

3939928227 is a wasteful number, since it uses less digits than its factorization.

3939928227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437769809 (or 437769806 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 3939928227 is about 62768.8475838134. The cubic root of 3939928227 is about 1579.4144370468.

The spelling of 3939928227 in words is "three billion, nine hundred thirty-nine million, nine hundred twenty-eight thousand, two hundred twenty-seven".