3420534 has 16 divisors (see below), whose sum is σ = 7367472. Its totient is φ = 1052448.

The previous prime is 3420533. The next prime is 3420563. The reversal of 3420534 is 4350243.

It is a happy number.

3420534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3420534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420533) 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 7 ways as a sum of consecutive naturals, for example, 21849 + ... + 22004.

It is an arithmetic number, because the mean of its divisors is an integer number (460467).

Almost surely, 2^3420534 is an apocalyptic number.

3420534 is an abundant number, since it is smaller than the sum of its proper divisors (3946938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3420534 is a wasteful number, since it uses less digits than its factorization.

3420534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43871.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3420534 is about 1849.4685723202. The cubic root of 3420534 is about 150.6715666126.

Adding to 3420534 its reverse (4350243), we get a palindrome (7770777).

The spelling of 3420534 in words is "three million, four hundred twenty thousand, five hundred thirty-four".