3664895 has 8 divisors (see below), whose sum is σ = 4736256. Its totient is φ = 2706336.

The previous prime is 3664883. The next prime is 3664901. The reversal of 3664895 is 5984663.

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

It is a cyclic number.

It is not a de Polignac number, because 3664895 - 2⁴ = 3664879 is a prime.

It is a super-2 number, since 2×3664895² = 26862910722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28127 + ... + 28256.

It is an arithmetic number, because the mean of its divisors is an integer number (592032).

Almost surely, 2^3664895 is an apocalyptic number.

3664895 is a deficient number, since it is larger than the sum of its proper divisors (1071361).

3664895 is a wasteful number, since it uses less digits than its factorization.

3664895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56401.

The product of its digits is 155520, while the sum is 41.

The square root of 3664895 is about 1914.3915482471. The cubic root of 3664895 is about 154.1773270771.

The spelling of 3664895 in words is "three million, six hundred sixty-four thousand, eight hundred ninety-five".