30606128 has 20 divisors (see below), whose sum is σ = 67770960. Its totient is φ = 13116864.

The previous prime is 30606127. The next prime is 30606139. The reversal of 30606128 is 82160603.

It is a junction number, because it is equal to n+sod(n) for n = 30606097 and 30606106.

It is not an unprimeable number, because it can be changed into a prime (30606127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136523 + ... + 136746.

It is an arithmetic number, because the mean of its divisors is an integer number (3388548).

Almost surely, 2^30606128 is an apocalyptic number.

It is an amenable number.

30606128 is an abundant number, since it is smaller than the sum of its proper divisors (37164832).

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

30606128 is a wasteful number, since it uses less digits than its factorization.

30606128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273284 (or 273278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30606128 is about 5532.2805424165. The cubic root of 30606128 is about 312.8019583737.

The spelling of 30606128 in words is "thirty million, six hundred six thousand, one hundred twenty-eight".