3420419 has 4 divisors (see below), whose sum is σ = 3424344. Its totient is φ = 3416496.

The previous prime is 3420409. The next prime is 3420421. The reversal of 3420419 is 9140243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9140243 = 7 ⋅1305749.

It is a cyclic number.

It is not a de Polignac number, because 3420419 - 2¹² = 3416323 is a prime.

It is a super-2 number, since 2×3420419² = 23398532271122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420394 and 3420403.

It is not an unprimeable number, because it can be changed into a prime (3420409) 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, 2 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (856086).

Almost surely, 2^3420419 is an apocalyptic number.

3420419 is a deficient number, since it is larger than the sum of its proper divisors (3925).

3420419 is a wasteful number, since it uses less digits than its factorization.

3420419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3420419 is about 1849.4374820469. The cubic root of 3420419 is about 150.6698780435.

The spelling of 3420419 in words is "three million, four hundred twenty thousand, four hundred nineteen".