3605816 has 8 divisors (see below), whose sum is σ = 6760920. Its totient is φ = 1802904.

The previous prime is 3605813. The next prime is 3605821. The reversal of 3605816 is 6185063.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225356 + ... + 225371.

It is an arithmetic number, because the mean of its divisors is an integer number (845115).

Almost surely, 2^3605816 is an apocalyptic number.

It is an amenable number.

3605816 is a deficient number, since it is larger than the sum of its proper divisors (3155104).

3605816 is a wasteful number, since it uses less digits than its factorization.

3605816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450733 (or 450729 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3605816 is about 1898.8986281526. The cubic root of 3605816 is about 153.3443764363.

The spelling of 3605816 in words is "three million, six hundred five thousand, eight hundred sixteen".