3646061 has 4 divisors (see below), whose sum is σ = 3651324. Its totient is φ = 3640800.

The previous prime is 3646057. The next prime is 3646067. The reversal of 3646061 is 1606463.

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 1196836 + 2449225 = 1094^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 3646061 - 2² = 3646057 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 3646061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646067) 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, 1400 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (912831).

Almost surely, 2^3646061 is an apocalyptic number.

It is an amenable number.

3646061 is a deficient number, since it is larger than the sum of its proper divisors (5263).

3646061 is an equidigital number, since it uses as much as digits as its factorization.

3646061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3646061 is about 1909.4661557619. The cubic root of 3646061 is about 153.9127661348.

The spelling of 3646061 in words is "three million, six hundred forty-six thousand, sixty-one".