3960543 has 4 divisors (see below), whose sum is σ = 5280728. Its totient is φ = 2640360.

The previous prime is 3960521. The next prime is 3960557. The reversal of 3960543 is 3450693.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-3960543 is a prime.

It is a D-number.

It is a Duffinian number.

3960543 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3960543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660088 + ... + 660093.

It is an arithmetic number, because the mean of its divisors is an integer number (1320182).

Almost surely, 2^3960543 is an apocalyptic number.

3960543 is a deficient number, since it is larger than the sum of its proper divisors (1320185).

3960543 is a wasteful number, since it uses less digits than its factorization.

3960543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320184.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3960543 is about 1990.1113034200. Note that the first 3 decimals coincide. The cubic root of 3960543 is about 158.2164288178.

The spelling of 3960543 in words is "three million, nine hundred sixty thousand, five hundred forty-three".