3420634 has 16 divisors (see below), whose sum is σ = 5946048. Its totient is φ = 1445472.

The previous prime is 3420631. The next prime is 3420647. The reversal of 3420634 is 4360243.

3420634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3420631) 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, 652 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (371628).

Almost surely, 2^3420634 is an apocalyptic number.

3420634 is a deficient number, since it is larger than the sum of its proper divisors (2525414).

3420634 is a wasteful number, since it uses less digits than its factorization.

3420634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3420634 is about 1849.4956069156. The cubic root of 3420634 is about 150.6730349028.

Adding to 3420634 its reverse (4360243), we get a palindrome (7780877).

The spelling of 3420634 in words is "three million, four hundred twenty thousand, six hundred thirty-four".