3929009 has 8 divisors (see below), whose sum is σ = 4518528. Its totient is φ = 3346560.

The previous prime is 3928997. The next prime is 3929011. The reversal of 3929009 is 9009293.

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

It is not a de Polignac number, because 3929009 - 2⁸ = 3928753 is a prime.

It is a super-2 number, since 2×3929009² = 30874223444162, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929099) 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, 512 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (564816).

Almost surely, 2^3929009 is an apocalyptic number.

It is an amenable number.

3929009 is a deficient number, since it is larger than the sum of its proper divisors (589519).

3929009 is a wasteful number, since it uses less digits than its factorization.

3929009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 3929009 is about 1982.1727977147. The cubic root of 3929009 is about 157.7954009314.

The spelling of 3929009 in words is "three million, nine hundred twenty-nine thousand, nine".