3649924 has 6 divisors (see below), whose sum is σ = 6387374. Its totient is φ = 1824960.

The previous prime is 3649913. The next prime is 3649931. The reversal of 3649924 is 4299463.

3649924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2304324 + 1345600 = 1518^2 + 1160^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456237 + ... + 456244.

Almost surely, 2^3649924 is an apocalyptic number.

It is an amenable number.

3649924 is a deficient number, since it is larger than the sum of its proper divisors (2737450).

3649924 is a wasteful number, since it uses less digits than its factorization.

3649924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912485 (or 912483 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 3649924 is about 1910.4774272417. The cubic root of 3649924 is about 153.9671037847.

The spelling of 3649924 in words is "three million, six hundred forty-nine thousand, nine hundred twenty-four".