3649846 has 8 divisors (see below), whose sum is σ = 5488560. Its totient is φ = 1820328.

The previous prime is 3649831. The next prime is 3649871. The reversal of 3649846 is 6489463.

3649846 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

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

It is a junction number, because it is equal to n+sod(n) for n = 3649799 and 3649808.

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 3 ways as a sum of consecutive naturals, for example, 1201 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^3649846 is an apocalyptic number.

3649846 is a deficient number, since it is larger than the sum of its proper divisors (1838714).

3649846 is a wasteful number, since it uses less digits than its factorization.

3649846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598.

The product of its digits is 124416, while the sum is 40.

The square root of 3649846 is about 1910.4570133871. The cubic root of 3649846 is about 153.9660070021.

The spelling of 3649846 in words is "three million, six hundred forty-nine thousand, eight hundred forty-six".