3420004043 has 4 divisors (see below), whose sum is σ = 3435340608. Its totient is φ = 3404667480.

The previous prime is 3420004037. The next prime is 3420004051. The reversal of 3420004043 is 3404000243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3404000243 = 7 ⋅486285749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420004043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420004013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7667948 + ... + 7668393.

It is an arithmetic number, because the mean of its divisors is an integer number (858835152).

Almost surely, 2^3420004043 is an apocalyptic number.

3420004043 is a deficient number, since it is larger than the sum of its proper divisors (15336565).

3420004043 is a wasteful number, since it uses less digits than its factorization.

3420004043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336564.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3420004043 is about 58480.8006357642. The cubic root of 3420004043 is about 1506.6378482808.

Adding to 3420004043 its reverse (3404000243), we get a palindrome (6824004286).

The spelling of 3420004043 in words is "three billion, four hundred twenty million, four thousand, forty-three".