3239745 has 8 divisors (see below), whose sum is σ = 5183616. Its totient is φ = 1727856.

The previous prime is 3239737. The next prime is 3239759. The reversal of 3239745 is 5479323.

It is a happy number.

3239745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3239745 - 2³ = 3239737 is a prime.

3239745 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107977 + ... + 108006.

It is an arithmetic number, because the mean of its divisors is an integer number (647952).

Almost surely, 2^3239745 is an apocalyptic number.

It is an amenable number.

3239745 is a deficient number, since it is larger than the sum of its proper divisors (1943871).

3239745 is a wasteful number, since it uses less digits than its factorization.

3239745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215991.

The product of its digits is 22680, while the sum is 33.

The square root of 3239745 is about 1799.9291652729. The cubic root of 3239745 is about 147.9688423575.

The spelling of 3239745 in words is "three million, two hundred thirty-nine thousand, seven hundred forty-five".