3649412 has 12 divisors (see below), whose sum is σ = 6877836. Its totient is φ = 1684320.

The previous prime is 3649411. The next prime is 3649417. The reversal of 3649412 is 2149463.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 2637376 = 1006^2 + 1624^2 .

It is not an unprimeable number, because it can be changed into a prime (3649411) 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, 35039 + ... + 35142.

It is an arithmetic number, because the mean of its divisors is an integer number (573153).

Almost surely, 2^3649412 is an apocalyptic number.

It is an amenable number.

3649412 is a deficient number, since it is larger than the sum of its proper divisors (3228424).

3649412 is a wasteful number, since it uses less digits than its factorization.

3649412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70198 (or 70196 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 3649412 is about 1910.3434246229. The cubic root of 3649412 is about 153.9599041058.

The spelling of 3649412 in words is "three million, six hundred forty-nine thousand, four hundred twelve".