3648015 has 48 divisors (see below), whose sum is σ = 7445568. Its totient is φ = 1617408.

The previous prime is 3647989. The next prime is 3648031. The reversal of 3648015 is 5108463.

3648015 is a `hidden beast` number, since 3 + 648 + 0 + 15 = 666.

It is not a de Polignac number, because 3648015 - 2⁸ = 3647759 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3648015.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11499 + ... + 11811.

It is an arithmetic number, because the mean of its divisors is an integer number (155116).

Almost surely, 2^3648015 is an apocalyptic number.

3648015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3648015 is an abundant number, since it is smaller than the sum of its proper divisors (3797553).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3648015 is a wasteful number, since it uses less digits than its factorization.

3648015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3648015 is about 1909.9777485615. The cubic root of 3648015 is about 153.9402562432.

The spelling of 3648015 in words is "three million, six hundred forty-eight thousand, fifteen".