3947269 has 8 divisors (see below), whose sum is σ = 4197440. Its totient is φ = 3701376.

The previous prime is 3947233. The next prime is 3947297. The reversal of 3947269 is 9627493.

3947269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3947269 - 2⁹ = 3946757 is a prime.

It is a super-2 number, since 2×3947269² = 31161865116722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947299) 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 7 ways as a sum of consecutive naturals, for example, 949 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (524680).

Almost surely, 2^3947269 is an apocalyptic number.

It is an amenable number.

3947269 is a deficient number, since it is larger than the sum of its proper divisors (250171).

3947269 is a wasteful number, since it uses less digits than its factorization.

3947269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139.

The product of its digits is 81648, while the sum is 40.

The square root of 3947269 is about 1986.7735150238. The cubic root of 3947269 is about 158.0394736603.

The spelling of 3947269 in words is "three million, nine hundred forty-seven thousand, two hundred sixty-nine".