3993523 has 8 divisors (see below), whose sum is σ = 4117680. Its totient is φ = 3870720.

The previous prime is 3993511. The next prime is 3993527. The reversal of 3993523 is 3253993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3993523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10348 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (514710).

Almost surely, 2^3993523 is an apocalyptic number.

3993523 is a deficient number, since it is larger than the sum of its proper divisors (124157).

3993523 is a wasteful number, since it uses less digits than its factorization.

3993523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 21870, while the sum is 34.

The square root of 3993523 is about 1998.3800939761. The cubic root of 3993523 is about 158.6543789376.

The spelling of 3993523 in words is "three million, nine hundred ninety-three thousand, five hundred twenty-three".