3648635 has 8 divisors (see below), whose sum is σ = 4529520. Its totient is φ = 2818144.

The previous prime is 3648587. The next prime is 3648643. The reversal of 3648635 is 5368463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3648635 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 6⁷ + 4⁷ + 8 + 6⁸ + 3¹³ + 5⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3648595 and 3648604.

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, 12437 + ... + 12726.

It is an arithmetic number, because the mean of its divisors is an integer number (566190).

Almost surely, 2^3648635 is an apocalyptic number.

3648635 is a deficient number, since it is larger than the sum of its proper divisors (880885).

3648635 is a wasteful number, since it uses less digits than its factorization.

3648635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25197.

The product of its digits is 51840, while the sum is 35.

The square root of 3648635 is about 1910.1400472217. The cubic root of 3648635 is about 153.9489767439.

The spelling of 3648635 in words is "three million, six hundred forty-eight thousand, six hundred thirty-five".