3648139 has 8 divisors (see below), whose sum is σ = 4077360. Its totient is φ = 3235200.

The previous prime is 3648137. The next prime is 3648167. The reversal of 3648139 is 9318463.

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 3648139 - 2¹ = 3648137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3648131) 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, 3594 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (509670).

Almost surely, 2^3648139 is an apocalyptic number.

3648139 is a deficient number, since it is larger than the sum of its proper divisors (429221).

3648139 is a wasteful number, since it uses less digits than its factorization.

3648139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141.

The product of its digits is 15552, while the sum is 34.

The square root of 3648139 is about 1910.0102093968. The cubic root of 3648139 is about 153.9420004224.

The spelling of 3648139 in words is "three million, six hundred forty-eight thousand, one hundred thirty-nine".