3663693 has 24 divisors (see below), whose sum is σ = 6027840. Its totient is φ = 2122560.

The previous prime is 3663691. The next prime is 3663707. The reversal of 3663693 is 3963663.

It is not a de Polignac number, because 3663693 - 2¹ = 3663691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1473 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (251160).

Almost surely, 2^3663693 is an apocalyptic number.

3663693 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3663693 is a deficient number, since it is larger than the sum of its proper divisors (2364147).

3663693 is a wasteful number, since it uses less digits than its factorization.

3663693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1646 counting only the distinct ones).

The product of its digits is 52488, while the sum is 36.

The square root of 3663693 is about 1914.0775846344. The cubic root of 3663693 is about 154.1604697128.

It can be divided in two parts, 3663 and 693, that added together give a square (4356 = 66²).

The spelling of 3663693 in words is "three million, six hundred sixty-three thousand, six hundred ninety-three".