3648885 has 8 divisors (see below), whose sum is σ = 5838240. Its totient is φ = 1946064.

The previous prime is 3648859. The next prime is 3648899. The reversal of 3648885 is 5888463.

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

It is not a de Polignac number, because 3648885 - 2¹⁵ = 3616117 is a prime.

3648885 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121615 + ... + 121644.

It is an arithmetic number, because the mean of its divisors is an integer number (729780).

Almost surely, 2^3648885 is an apocalyptic number.

It is an amenable number.

3648885 is a deficient number, since it is larger than the sum of its proper divisors (2189355).

3648885 is a wasteful number, since it uses less digits than its factorization.

3648885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243267.

The product of its digits is 184320, while the sum is 42.

The square root of 3648885 is about 1910.2054863286. The cubic root of 3648885 is about 153.9524927953.

The spelling of 3648885 in words is "three million, six hundred forty-eight thousand, eight hundred eighty-five".