3649882 has 8 divisors (see below), whose sum is σ = 5663700. Its totient is φ = 1761984.

The previous prime is 3649871. The next prime is 3649889. The reversal of 3649882 is 2889463.

It can be written as a sum of positive squares in 2 ways, for example, as 3606201 + 43681 = 1899^2 + 209^2 .

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

It is a super-2 number, since 2×3649882² = 26643277227848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3649889) by changing a digit.

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, 31407 + ... + 31522.

Almost surely, 2^3649882 is an apocalyptic number.

3649882 is a deficient number, since it is larger than the sum of its proper divisors (2013818).

3649882 is a wasteful number, since it uses less digits than its factorization.

3649882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62960.

The product of its digits is 82944, while the sum is 40.

The square root of 3649882 is about 1910.4664351932. The cubic root of 3649882 is about 153.9665132114.

The spelling of 3649882 in words is "three million, six hundred forty-nine thousand, eight hundred eighty-two".