3405043 has 4 divisors (see below), whose sum is σ = 3408768. Its totient is φ = 3401320.

The previous prime is 3405037. The next prime is 3405079.

3405043 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3405043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3405043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405023) 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, 558 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (852192).

Almost surely, 2^3405043 is an apocalyptic number.

3405043 is a deficient number, since it is larger than the sum of its proper divisors (3725).

3405043 is a wasteful number, since it uses less digits than its factorization.

3405043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3405043 is about 1845.2758601358. The cubic root of 3405043 is about 150.4437673239.

The spelling of 3405043 in words is "three million, four hundred five thousand, forty-three".