3648387 has 8 divisors (see below), whose sum is σ = 5150736. Its totient is φ = 2289152.

The previous prime is 3648343. The next prime is 3648391. The reversal of 3648387 is 7838463.

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

It is not a de Polignac number, because 3648387 - 2⁸ = 3648131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3648317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35718 + ... + 35819.

It is an arithmetic number, because the mean of its divisors is an integer number (643842).

Almost surely, 2^3648387 is an apocalyptic number.

3648387 is a deficient number, since it is larger than the sum of its proper divisors (1502349).

3648387 is a wasteful number, since it uses less digits than its factorization.

3648387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71557.

The product of its digits is 96768, while the sum is 39.

The square root of 3648387 is about 1910.0751294125. The cubic root of 3648387 is about 153.9454886622.

The spelling of 3648387 in words is "three million, six hundred forty-eight thousand, three hundred eighty-seven".