3601669 has 2 divisors, whose sum is σ = 3601670. Its totient is φ = 3601668.

The previous prime is 3601627. The next prime is 3601679. The reversal of 3601669 is 9661063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3104644 + 497025 = 1762^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601669 - 2⁷ = 3601541 is a prime.

It is a super-2 number, since 2×3601669² = 25944039171122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3601669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3601679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800834 + 1800835.

It is an arithmetic number, because the mean of its divisors is an integer number (1800835).

Almost surely, 2^3601669 is an apocalyptic number.

It is an amenable number.

3601669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601669 is an equidigital number, since it uses as much as digits as its factorization.

3601669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3601669 is about 1897.8063652544. The cubic root of 3601669 is about 153.2855674573.

The spelling of 3601669 in words is "three million, six hundred one thousand, six hundred sixty-nine".