3239690809 has 8 divisors (see below), whose sum is σ = 3319458912. Its totient is φ = 3159958560.

The previous prime is 3239690791. The next prime is 3239690813. The reversal of 3239690809 is 9080969323.

It is a happy number.

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

It is not a de Polignac number, because 3239690809 - 2¹³ = 3239682617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3239690849) 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, 321522 + ... + 331444.

It is an arithmetic number, because the mean of its divisors is an integer number (414932364).

Almost surely, 2^3239690809 is an apocalyptic number.

It is an amenable number.

3239690809 is a deficient number, since it is larger than the sum of its proper divisors (79768103).

3239690809 is an equidigital number, since it uses as much as digits as its factorization.

3239690809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17927.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 3239690809 is about 56918.2818521431. The cubic root of 3239690809 is about 1479.6801733122.

The spelling of 3239690809 in words is "three billion, two hundred thirty-nine million, six hundred ninety thousand, eight hundred nine".