3426021 has 12 divisors (see below), whose sum is σ = 4999020. Its totient is φ = 2260800.

The previous prime is 3425999. The next prime is 3426029. The reversal of 3426021 is 1206243.

It is a happy number.

3426021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3101121 + 324900 = 1761^2 + 570^2 .

It is not a de Polignac number, because 3426021 - 2⁷ = 3425893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3425985 and 3426003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426029) 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 11 ways as a sum of consecutive naturals, for example, 976 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (416585).

Almost surely, 2^3426021 is an apocalyptic number.

It is an amenable number.

3426021 is a deficient number, since it is larger than the sum of its proper divisors (1572999).

3426021 is a wasteful number, since it uses less digits than its factorization.

3426021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876 (or 3873 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3426021 is about 1850.9513769951. The cubic root of 3426021 is about 150.7520894408.

The spelling of 3426021 in words is "three million, four hundred twenty-six thousand, twenty-one".