3947433 has 8 divisors (see below), whose sum is σ = 6015168. Its totient is φ = 2255664.

The previous prime is 3947431. The next prime is 3947453. The reversal of 3947433 is 3347493.

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

It is not a de Polignac number, because 3947433 - 2¹ = 3947431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3947394 and 3947403.

It is not an unprimeable number, because it can be changed into a prime (3947431) 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 7 ways as a sum of consecutive naturals, for example, 93966 + ... + 94007.

It is an arithmetic number, because the mean of its divisors is an integer number (751896).

Almost surely, 2^3947433 is an apocalyptic number.

It is an amenable number.

3947433 is a deficient number, since it is larger than the sum of its proper divisors (2067735).

3947433 is a wasteful number, since it uses less digits than its factorization.

3947433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187983.

The product of its digits is 27216, while the sum is 33.

The square root of 3947433 is about 1986.8147875431. The cubic root of 3947433 is about 158.0416623562.

The spelling of 3947433 in words is "three million, nine hundred forty-seven thousand, four hundred thirty-three".