3992543 has 8 divisors (see below), whose sum is σ = 4129056. Its totient is φ = 3858400.

The previous prime is 3992533. The next prime is 3992563. The reversal of 3992543 is 3452993.

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

It is not a de Polignac number, because 3992543 - 2⁶ = 3992479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3233 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (516132).

Almost surely, 2^3992543 is an apocalyptic number.

3992543 is a deficient number, since it is larger than the sum of its proper divisors (136513).

3992543 is a wasteful number, since it uses less digits than its factorization.

3992543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its digits is 29160, while the sum is 35.

The square root of 3992543 is about 1998.1348803322. The cubic root of 3992543 is about 158.6414000873.

The spelling of 3992543 in words is "three million, nine hundred ninety-two thousand, five hundred forty-three".