3665049 has 16 divisors (see below), whose sum is σ = 5116800. Its totient is φ = 2330496.

The previous prime is 3665041. The next prime is 3665087. The reversal of 3665049 is 9405663.

It is a happy number.

It is not a de Polignac number, because 3665049 - 2³ = 3665041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8757 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (319800).

Almost surely, 2^3665049 is an apocalyptic number.

It is an amenable number.

3665049 is a deficient number, since it is larger than the sum of its proper divisors (1451751).

3665049 is a wasteful number, since it uses less digits than its factorization.

3665049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 3665049 is about 1914.4317694815. The cubic root of 3665049 is about 154.1794865729.

The spelling of 3665049 in words is "three million, six hundred sixty-five thousand, forty-nine".