3242729 has 4 divisors (see below), whose sum is σ = 3705984. Its totient is φ = 2779476.

The previous prime is 3242689. The next prime is 3242741. The reversal of 3242729 is 9272423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3242729 - 2¹⁶ = 3177193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242779) 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, 231617 + ... + 231630.

It is an arithmetic number, because the mean of its divisors is an integer number (926496).

Almost surely, 2^3242729 is an apocalyptic number.

It is an amenable number.

3242729 is a deficient number, since it is larger than the sum of its proper divisors (463255).

3242729 is an equidigital number, since it uses as much as digits as its factorization.

3242729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463254.

The product of its digits is 6048, while the sum is 29.

The square root of 3242729 is about 1800.7578959982. The cubic root of 3242729 is about 148.0142578180.

The spelling of 3242729 in words is "three million, two hundred forty-two thousand, seven hundred twenty-nine".