3507665 has 24 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 2364768.

The previous prime is 3507649. The next prime is 3507667. The reversal of 3507665 is 5667053.

3507665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3507665 - 2⁴ = 3507649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3507667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25166 + ... + 25304.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

Almost surely, 2^3507665 is an apocalyptic number.

3507665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3507665 is a deficient number, since it is larger than the sum of its proper divisors (1471855).

3507665 is a wasteful number, since it uses less digits than its factorization.

3507665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3507665 is about 1872.8761304475. The cubic root of 3507665 is about 151.9402032796.

The spelling of 3507665 in words is "three million, five hundred seven thousand, six hundred sixty-five".