3543839 has 4 divisors (see below), whose sum is σ = 3816456. Its totient is φ = 3271224.

The previous prime is 3543821. The next prime is 3543857. The reversal of 3543839 is 9383453.

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

It is an interprime number because it is at equal distance from previous prime (3543821) and next prime (3543857).

It is a cyclic number.

It is not a de Polignac number, because 3543839 - 2⁸ = 3543583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3543799 and 3543808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3542839) 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, 136289 + ... + 136314.

It is an arithmetic number, because the mean of its divisors is an integer number (954114).

Almost surely, 2^3543839 is an apocalyptic number.

3543839 is a deficient number, since it is larger than the sum of its proper divisors (272617).

3543839 is a wasteful number, since it uses less digits than its factorization.

3543839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272616.

The product of its digits is 38880, while the sum is 35.

The square root of 3543839 is about 1882.5086985191. The cubic root of 3543839 is about 152.4607298329.

The spelling of 3543839 in words is "three million, five hundred forty-three thousand, eight hundred thirty-nine".