3420043 has 8 divisors (see below), whose sum is σ = 3950640. Its totient is φ = 2926080.

The previous prime is 3420023. The next prime is 3420047. The reversal of 3420043 is 3400243.

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 3420043 - 2⁹ = 3419531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3419999 and 3420026.

It is not an unprimeable number, because it can be changed into a prime (3420047) 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, 8958 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (493830).

Almost surely, 2^3420043 is an apocalyptic number.

3420043 is a deficient number, since it is larger than the sum of its proper divisors (530597).

3420043 is a wasteful number, since it uses less digits than its factorization.

3420043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18317.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3420043 is about 1849.3358267227. The cubic root of 3420043 is about 150.6643568924.

Adding to 3420043 its reverse (3400243), we get a palindrome (6820286).

It can be divided in two parts, 34200 and 43, that added together give a palindrome (34243).

The spelling of 3420043 in words is "three million, four hundred twenty thousand, forty-three".