3420019 has 4 divisors (see below), whose sum is σ = 3600040. Its totient is φ = 3240000.

The previous prime is 3419963. The next prime is 3420023. The reversal of 3420019 is 9100243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9100243 = 107 ⋅85049.

It is a cyclic number.

It is not a de Polignac number, because 3420019 - 2⁷ = 3419891 is a prime.

It is a super-2 number, since 2×3420019² = 23393059920722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 180001 = 3420019 / (3 + 4 + 2 + 0 + 0 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3419978 and 3420005.

It is not an unprimeable number, because it can be changed into a prime (3420059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89982 + ... + 90019.

It is an arithmetic number, because the mean of its divisors is an integer number (900010).

Almost surely, 2^3420019 is an apocalyptic number.

3420019 is a deficient number, since it is larger than the sum of its proper divisors (180021).

3420019 is a wasteful number, since it uses less digits than its factorization.

3420019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180020.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3420019 is about 1849.3293378952. The cubic root of 3420019 is about 150.6640044648.

The spelling of 3420019 in words is "three million, four hundred twenty thousand, nineteen".