3644896 has 12 divisors (see below), whose sum is σ = 7175952. Its totient is φ = 1822432.

The previous prime is 3644873. The next prime is 3644899. The reversal of 3644896 is 6984463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644899) 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 as a sum of consecutive naturals, namely, 56920 + ... + 56983.

It is an arithmetic number, because the mean of its divisors is an integer number (597996).

Almost surely, 2^3644896 is an apocalyptic number.

It is an amenable number.

3644896 is a deficient number, since it is larger than the sum of its proper divisors (3531056).

3644896 is a wasteful number, since it uses less digits than its factorization.

3644896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113913 (or 113905 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3644896 is about 1909.1610723037. The cubic root of 3644896 is about 153.8963715039.

The spelling of 3644896 in words is "three million, six hundred forty-four thousand, eight hundred ninety-six".