3649168 has 20 divisors (see below), whose sum is σ = 7162240. Its totient is φ = 1800864.

The previous prime is 3649153. The next prime is 3649181. The reversal of 3649168 is 8619463.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (358112).

Almost surely, 2^3649168 is an apocalyptic number.

It is an amenable number.

3649168 is a deficient number, since it is larger than the sum of its proper divisors (3513072).

3649168 is a wasteful number, since it uses less digits than its factorization.

3649168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2968 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 3649168 is about 1910.2795606926. The cubic root of 3649168 is about 153.9564727718.

The spelling of 3649168 in words is "three million, six hundred forty-nine thousand, one hundred sixty-eight".