3665790 has 32 divisors (see below), whose sum is σ = 9776160. Its totient is φ = 977472.

The previous prime is 3665777. The next prime is 3665791. The reversal of 3665790 is 975663.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665791) 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, 6519 + ... + 7058.

It is an arithmetic number, because the mean of its divisors is an integer number (305505).

Almost surely, 2^3665790 is an apocalyptic number.

3665790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3665790 is an abundant number, since it is smaller than the sum of its proper divisors (6110370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3665790 is a wasteful number, since it uses less digits than its factorization.

3665790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593 (or 13587 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3665790 is about 1914.6252897108. The cubic root of 3665790 is about 154.1898765478.

The spelling of 3665790 in words is "three million, six hundred sixty-five thousand, seven hundred ninety".