3665834 has 8 divisors (see below), whose sum is σ = 5507460. Its totient is φ = 1830016.

The previous prime is 3665819. The next prime is 3665839. The reversal of 3665834 is 4385663.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 765625 = 1703^2 + 875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3665794 and 3665803.

It is not an unprimeable number, because it can be changed into a prime (3665839) 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, 872 + ... + 2844.

Almost surely, 2^3665834 is an apocalyptic number.

3665834 is a deficient number, since it is larger than the sum of its proper divisors (1841626).

3665834 is a wasteful number, since it uses less digits than its factorization.

3665834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its digits is 51840, while the sum is 35.

The square root of 3665834 is about 1914.6367801753. The cubic root of 3665834 is about 154.1904934523.

The spelling of 3665834 in words is "three million, six hundred sixty-five thousand, eight hundred thirty-four".