3605749 has 8 divisors (see below), whose sum is σ = 4199040. Its totient is φ = 3032016.

The previous prime is 3605747. The next prime is 3605759. The reversal of 3605749 is 9475063.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3605749 - 2¹ = 3605747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4489 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^3605749 is an apocalyptic number.

It is an amenable number.

3605749 is a deficient number, since it is larger than the sum of its proper divisors (593291).

3605749 is an equidigital number, since it uses as much as digits as its factorization.

3605749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3605749 is about 1898.8809862653. The cubic root of 3605749 is about 153.3434266618.

The spelling of 3605749 in words is "three million, six hundred five thousand, seven hundred forty-nine".