6690365 has 16 divisors (see below), whose sum is σ = 8850816. Its totient is φ = 4814400.

The previous prime is 6690361. The next prime is 6690373. The reversal of 6690365 is 5630966.

6690365 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6690365 - 2² = 6690361 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 (6690361) 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, 5075 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (553176).

Almost surely, 2^6690365 is an apocalyptic number.

It is an amenable number.

6690365 is a deficient number, since it is larger than the sum of its proper divisors (2160451).

6690365 is a wasteful number, since it uses less digits than its factorization.

6690365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 6690365 is about 2586.5739888896. The cubic root of 6690365 is about 188.4299519036.

The spelling of 6690365 in words is "six million, six hundred ninety thousand, three hundred sixty-five".