3420630 has 80 divisors (see below), whose sum is σ = 9513504. Its totient is φ = 881280.

The previous prime is 3420617. The next prime is 3420631. The reversal of 3420630 is 360243.

3420630 is a `hidden beast` number, since 34 + 2 + 0 + 630 = 666.

3420630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 33159 + ... + 33261.

Almost surely, 2^3420630 is an apocalyptic number.

3420630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4756752).

3420630 is an abundant number, since it is smaller than the sum of its proper divisors (6092874).

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

3420630 is a wasteful number, since it uses less digits than its factorization.

3420630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3420630 is about 1849.4945255393. The cubic root of 3420630 is about 150.6729761718.

Adding to 3420630 its reverse (360243), we get a palindrome (3780873).

The spelling of 3420630 in words is "three million, four hundred twenty thousand, six hundred thirty".