3239561 has 12 divisors (see below), whose sum is σ = 3634380. Its totient is φ = 2882880.

The previous prime is 3239549. The next prime is 3239563. The reversal of 3239561 is 1659323.

3239561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 156025 + 3083536 = 395^2 + 1756^2 .

It is not a de Polignac number, because 3239561 - 2¹⁰ = 3238537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3239563) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4571 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (302865).

Almost surely, 2^3239561 is an apocalyptic number.

It is an amenable number.

3239561 is a deficient number, since it is larger than the sum of its proper divisors (394819).

3239561 is a wasteful number, since it uses less digits than its factorization.

3239561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 703 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 3239561 is about 1799.8780514246. The cubic root of 3239561 is about 147.9660410277.

It can be divided in two parts, 32 and 39561, that added together give a palindrome (39593).

The spelling of 3239561 in words is "three million, two hundred thirty-nine thousand, five hundred sixty-one".