3606749 has 4 divisors (see below), whose sum is σ = 3622080. Its totient is φ = 3591420.

The previous prime is 3606731. The next prime is 3606763. The reversal of 3606749 is 9476063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9476063 = 269 ⋅35227.

It is a cyclic number.

It is not a de Polignac number, because 3606749 - 2²⁰ = 2558173 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 (3606719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7307 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (905520).

Almost surely, 2^3606749 is an apocalyptic number.

It is an amenable number.

3606749 is a deficient number, since it is larger than the sum of its proper divisors (15331).

3606749 is a wasteful number, since it uses less digits than its factorization.

3606749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 3606749 is about 1899.1442809855. The cubic root of 3606749 is about 153.3576011789.

The spelling of 3606749 in words is "three million, six hundred six thousand, seven hundred forty-nine".