3420001 has 4 divisors (see below), whose sum is σ = 3683092. Its totient is φ = 3156912.

The previous prime is 3419963. The next prime is 3420023. The reversal of 3420001 is 1000243.

3420001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000243 = 67 ⋅14929.

It can be written as a sum of positive squares in 2 ways, for example, as 176400 + 3243601 = 420^2 + 1801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420001 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 3420001.

It is not an unprimeable number, because it can be changed into a prime (3420061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131526 + ... + 131551.

It is an arithmetic number, because the mean of its divisors is an integer number (920773).

Almost surely, 2^3420001 is an apocalyptic number.

It is an amenable number.

3420001 is a deficient number, since it is larger than the sum of its proper divisors (263091).

3420001 is a wasteful number, since it uses less digits than its factorization.

3420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263090.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3420001 is about 1849.3244712597. The cubic root of 3420001 is about 150.6637401429.

Adding to 3420001 its reverse (1000243), we get a palindrome (4420244).

The spelling of 3420001 in words is "three million, four hundred twenty thousand, one".