3929347 has 4 divisors (see below), whose sum is σ = 3967600. Its totient is φ = 3891096.

The previous prime is 3929327. The next prime is 3929351. The reversal of 3929347 is 7439293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7439293 = 1741 ⋅4273.

It is a cyclic number.

It is not a de Polignac number, because 3929347 - 2¹¹ = 3927299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3929327) 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, 18972 + ... + 19177.

It is an arithmetic number, because the mean of its divisors is an integer number (991900).

Almost surely, 2^3929347 is an apocalyptic number.

3929347 is a deficient number, since it is larger than the sum of its proper divisors (38253).

3929347 is a wasteful number, since it uses less digits than its factorization.

3929347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38252.

The product of its digits is 40824, while the sum is 37.

The square root of 3929347 is about 1982.2580558545. The cubic root of 3929347 is about 157.7999256785.

It can be divided in two parts, 392934 and 7, that added together give a triangular number (392941 = T₈₈₆).

The spelling of 3929347 in words is "three million, nine hundred twenty-nine thousand, three hundred forty-seven".