3934147 has 4 divisors (see below), whose sum is σ = 4496176. Its totient is φ = 3372120.

The previous prime is 3934109. The next prime is 3934153. The reversal of 3934147 is 7414393.

3934147 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.

It is a cyclic number.

It is not a de Polignac number, because 3934147 - 2¹¹ = 3932099 is a prime.

It is a Duffinian number.

3934147 is a lucky number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3934187) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 281004 + ... + 281017.

It is an arithmetic number, because the mean of its divisors is an integer number (1124044).

Almost surely, 2^3934147 is an apocalyptic number.

3934147 is a deficient number, since it is larger than the sum of its proper divisors (562029).

3934147 is an equidigital number, since it uses as much as digits as its factorization.

3934147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562028.

The product of its digits is 9072, while the sum is 31.

The square root of 3934147 is about 1983.4684267716. The cubic root of 3934147 is about 157.8641544531.

The spelling of 3934147 in words is "three million, nine hundred thirty-four thousand, one hundred forty-seven".