3653816 has 8 divisors (see below), whose sum is σ = 6850920. Its totient is φ = 1826904.

The previous prime is 3653809. The next prime is 3653821. The reversal of 3653816 is 6183563.

3653816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 228356 + ... + 228371.

It is an arithmetic number, because the mean of its divisors is an integer number (856365).

Almost surely, 2^3653816 is an apocalyptic number.

It is an amenable number.

3653816 is a deficient number, since it is larger than the sum of its proper divisors (3197104).

3653816 is a wasteful number, since it uses less digits than its factorization.

3653816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456733 (or 456729 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 3653816 is about 1911.4957494067. The cubic root of 3653816 is about 154.0218105950.

The spelling of 3653816 in words is "three million, six hundred fifty-three thousand, eight hundred sixteen".