3648375 has 64 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 1821600.

The previous prime is 3648343. The next prime is 3648391. The reversal of 3648375 is 5738463.

It is a happy number.

3648375 is a `hidden beast` number, since 3 + 648 + 3 + 7 + 5 = 666.

It is not a de Polignac number, because 3648375 - 2⁵ = 3648343 is a prime.

3648375 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 63 ways as a sum of consecutive naturals, for example, 77602 + ... + 77648.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

Almost surely, 2^3648375 is an apocalyptic number.

3648375 is a deficient number, since it is larger than the sum of its proper divisors (3540105).

3648375 is a wasteful number, since it uses less digits than its factorization.

3648375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 78 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3648375 is about 1910.0719881722. The cubic root of 3648375 is about 153.9453198800.

The spelling of 3648375 in words is "three million, six hundred forty-eight thousand, three hundred seventy-five".