3649659 has 8 divisors (see below), whose sum is σ = 5240592. Its totient is φ = 2245920.

The previous prime is 3649637. The next prime is 3649669. The reversal of 3649659 is 9569463.

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

It is not a de Polignac number, because 3649659 - 2⁷ = 3649531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3649659.

It is not an unprimeable number, because it can be changed into a prime (3649609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46752 + ... + 46829.

It is an arithmetic number, because the mean of its divisors is an integer number (655074).

Almost surely, 2^3649659 is an apocalyptic number.

3649659 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3649659 is a deficient number, since it is larger than the sum of its proper divisors (1590933).

3649659 is a wasteful number, since it uses less digits than its factorization.

3649659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93597.

The product of its digits is 174960, while the sum is 42.

The square root of 3649659 is about 1910.4080715910. The cubic root of 3649659 is about 153.9633774725.

The spelling of 3649659 in words is "three million, six hundred forty-nine thousand, six hundred fifty-nine".