3806543 has 8 divisors (see below), whose sum is σ = 4116000. Its totient is φ = 3499488.

The previous prime is 3806527. The next prime is 3806549. The reversal of 3806543 is 3456083.

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

It is a cyclic number.

It is not a de Polignac number, because 3806543 - 2⁴ = 3806527 is a prime.

It is a super-2 number, since 2×3806543² = 28979539221698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806549) 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, 4118 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (514500).

Almost surely, 2^3806543 is an apocalyptic number.

3806543 is a deficient number, since it is larger than the sum of its proper divisors (309457).

3806543 is a wasteful number, since it uses less digits than its factorization.

3806543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3806543 is about 1951.0363912547. The cubic root of 3806543 is about 156.1385876709.

Adding to 3806543 its product of nonzero digits (8640), we get a palindrome (3815183).

The spelling of 3806543 in words is "three million, eight hundred six thousand, five hundred forty-three".