30428060 has 48 divisors (see below), whose sum is σ = 70696416. Its totient is φ = 10927872.

The previous prime is 30428059. The next prime is 30428071. The reversal of 30428060 is 6082403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8039 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (1472842).

Almost surely, 2^30428060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30428060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35348208).

30428060 is an abundant number, since it is smaller than the sum of its proper divisors (40268356).

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

30428060 is a wasteful number, since it uses less digits than its factorization.

30428060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30428060 is about 5516.1635218692. The cubic root of 30428060 is about 312.1941455474.

The spelling of 30428060 in words is "thirty million, four hundred twenty-eight thousand, sixty".