3929329 has 8 divisors (see below), whose sum is σ = 4186728. Its totient is φ = 3674880.

The previous prime is 3929327. The next prime is 3929351. The reversal of 3929329 is 9239293.

It can be written as a sum of positive squares in 4 ways, for example, as 300304 + 3629025 = 548^2 + 1905^2 .

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 3929329 - 2¹ = 3929327 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3929323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2439 + ... + 3715.

It is an arithmetic number, because the mean of its divisors is an integer number (523341).

Almost surely, 2^3929329 is an apocalyptic number.

It is an amenable number.

3929329 is a deficient number, since it is larger than the sum of its proper divisors (257399).

3929329 is a wasteful number, since it uses less digits than its factorization.

3929329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its digits is 26244, while the sum is 37.

The square root of 3929329 is about 1982.2535155726. The cubic root of 3929329 is about 157.7996847222.

It can be divided in two parts, 392932 and 9, that added together give a triangular number (392941 = T₈₈₆).

The spelling of 3929329 in words is "three million, nine hundred twenty-nine thousand, three hundred twenty-nine".