30028460 has 192 divisors, whose sum is σ = 88252416. Its totient is φ = 8294400.

The previous prime is 30028457. The next prime is 30028483. The reversal of 30028460 is 6482003.

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 63 ways as a sum of consecutive naturals, for example, 811562 + ... + 811598.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 2^30028460 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 30028460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44126208).

30028460 is an abundant number, since it is smaller than the sum of its proper divisors (58223956).

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

30028460 is a wasteful number, since it uses less digits than its factorization.

30028460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 110 counting only the distinct ones).

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

The square root of 30028460 is about 5479.8229898419. The cubic root of 30028460 is about 310.8214771373.

The spelling of 30028460 in words is "thirty million, twenty-eight thousand, four hundred sixty".