30606606 has 64 divisors (see below), whose sum is σ = 74764800. Its totient is φ = 9237888.

The previous prime is 30606559. The next prime is 30606607. The reversal of 30606606 is 60660603.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30606606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30606607) 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 31 ways as a sum of consecutive naturals, for example, 22950 + ... + 24246.

It is an arithmetic number, because the mean of its divisors is an integer number (1168200).

Almost surely, 2^30606606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30606606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37382400).

30606606 is an abundant number, since it is smaller than the sum of its proper divisors (44158194).

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

30606606 is a wasteful number, since it uses less digits than its factorization.

30606606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30606606 is about 5532.3237432385. The cubic root of 30606606 is about 312.8035867900.

The spelling of 30606606 in words is "thirty million, six hundred six thousand, six hundred six".