3675961 has 4 divisors (see below), whose sum is σ = 3892212. Its totient is φ = 3459712.

The previous prime is 3675943. The next prime is 3675977. The reversal of 3675961 is 1695763.

3675961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 1771561 = 1380^2 + 1331^2 .

It is a cyclic number.

It is not a de Polignac number, because 3675961 - 2⁹ = 3675449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3675961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3675901) 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 3 ways as a sum of consecutive naturals, for example, 108100 + ... + 108133.

It is an arithmetic number, because the mean of its divisors is an integer number (973053).

Almost surely, 2^3675961 is an apocalyptic number.

It is an amenable number.

3675961 is a deficient number, since it is larger than the sum of its proper divisors (216251).

3675961 is a wasteful number, since it uses less digits than its factorization.

3675961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216250.

The product of its digits is 34020, while the sum is 37.

The square root of 3675961 is about 1917.2795831594. The cubic root of 3675961 is about 154.3323485246.

It can be divided in two parts, 367 and 5961, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 3675961 in words is "three million, six hundred seventy-five thousand, nine hundred sixty-one".