3235661 has 20 divisors (see below), whose sum is σ = 4058460. Its totient is φ = 2555520.

The previous prime is 3235657. The next prime is 3235691. The reversal of 3235661 is 1665323.

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 1771561 = 1210^2 + 1331^2 .

It is not a de Polignac number, because 3235661 - 2² = 3235657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3235661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3235601) 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 19 ways as a sum of consecutive naturals, for example, 190325 + ... + 190341.

It is an arithmetic number, because the mean of its divisors is an integer number (202923).

Almost surely, 2^3235661 is an apocalyptic number.

It is an amenable number.

3235661 is a deficient number, since it is larger than the sum of its proper divisors (822799).

3235661 is an equidigital number, since it uses as much as digits as its factorization.

3235661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 41 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 3235661 is about 1798.7943184255. The cubic root of 3235661 is about 147.9066400486.

The spelling of 3235661 in words is "three million, two hundred thirty-five thousand, six hundred sixty-one".