3993539 has 8 divisors (see below), whose sum is σ = 4458432. Its totient is φ = 3545640.

The previous prime is 3993527. The next prime is 3993547. The reversal of 3993539 is 9353993.

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-3993539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3993496 and 3993505.

It is not an unprimeable number, because it can be changed into a prime (3993569) 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, 3749 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (557304).

Almost surely, 2^3993539 is an apocalyptic number.

3993539 is a deficient number, since it is larger than the sum of its proper divisors (464893).

3993539 is a wasteful number, since it uses less digits than its factorization.

3993539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497.

The product of its digits is 98415, while the sum is 41.

The square root of 3993539 is about 1998.3840972145. The cubic root of 3993539 is about 158.6545908196.

The spelling of 3993539 in words is "three million, nine hundred ninety-three thousand, five hundred thirty-nine".