3680465 has 4 divisors (see below), whose sum is σ = 4416564. Its totient is φ = 2944368.

The previous prime is 3680461. The next prime is 3680489. The reversal of 3680465 is 5640863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1149184 + 2531281 = 1072^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 3680465 - 2² = 3680461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3680461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368042 + ... + 368051.

It is an arithmetic number, because the mean of its divisors is an integer number (1104141).

Almost surely, 2^3680465 is an apocalyptic number.

It is an amenable number.

3680465 is a deficient number, since it is larger than the sum of its proper divisors (736099).

3680465 is an equidigital number, since it uses as much as digits as its factorization.

3680465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736098.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3680465 is about 1918.4538044999. The cubic root of 3680465 is about 154.3953551047.

The spelling of 3680465 in words is "three million, six hundred eighty thousand, four hundred sixty-five".