3693813 has 16 divisors (see below), whose sum is σ = 5140800. Its totient is φ = 2357120.

The previous prime is 3693791. The next prime is 3693839. The reversal of 3693813 is 3183963.

It is a cyclic number.

It is not a de Polignac number, because 3693813 - 2¹² = 3689717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693853) 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 15 ways as a sum of consecutive naturals, for example, 7003 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (321300).

Almost surely, 2^3693813 is an apocalyptic number.

It is an amenable number.

3693813 is a deficient number, since it is larger than the sum of its proper divisors (1446987).

3693813 is a wasteful number, since it uses less digits than its factorization.

3693813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its digits is 11664, while the sum is 33.

The square root of 3693813 is about 1921.9294992273. The cubic root of 3693813 is about 154.5817792669.

The spelling of 3693813 in words is "three million, six hundred ninety-three thousand, eight hundred thirteen".