3912543 has 16 divisors (see below), whose sum is σ = 5871200. Its totient is φ = 2606904.

The previous prime is 3912511. The next prime is 3912547. The reversal of 3912543 is 3452193.

It is not a de Polignac number, because 3912543 - 2⁵ = 3912511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

3912543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (366950).

Almost surely, 2^3912543 is an apocalyptic number.

3912543 is a deficient number, since it is larger than the sum of its proper divisors (1958657).

3912543 is an frugal number, since it uses more digits than its factorization.

3912543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1792 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 3912543 is about 1978.0149139984. The cubic root of 3912543 is about 157.5746584822.

The spelling of 3912543 in words is "three million, nine hundred twelve thousand, five hundred forty-three".