3659745 has 16 divisors (see below), whose sum is σ = 5883840. Its totient is φ = 1942464.

The previous prime is 3659717. The next prime is 3659779. The reversal of 3659745 is 5479563.

It is not a de Polignac number, because 3659745 - 2¹² = 3655649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (367740).

Almost surely, 2^3659745 is an apocalyptic number.

It is an amenable number.

3659745 is a deficient number, since it is larger than the sum of its proper divisors (2224095).

3659745 is a wasteful number, since it uses less digits than its factorization.

3659745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its digits is 113400, while the sum is 39.

The square root of 3659745 is about 1913.0460004924. The cubic root of 3659745 is about 154.1050753075.

The spelling of 3659745 in words is "three million, six hundred fifty-nine thousand, seven hundred forty-five".