3649826 has 8 divisors (see below), whose sum is σ = 5552064. Its totient is φ = 1799140.

The previous prime is 3649777. The next prime is 3649831. The reversal of 3649826 is 6289463.

3649826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3649826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12710 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (694008).

Almost surely, 2^3649826 is an apocalyptic number.

3649826 is a deficient number, since it is larger than the sum of its proper divisors (1902238).

3649826 is a wasteful number, since it uses less digits than its factorization.

3649826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25776.

The product of its digits is 62208, while the sum is 38.

The square root of 3649826 is about 1910.4517790303. The cubic root of 3649826 is about 153.9657257733.

The spelling of 3649826 in words is "three million, six hundred forty-nine thousand, eight hundred twenty-six".