30430960 has 80 divisors (see below), whose sum is σ = 82584000. Its totient is φ = 10424064.

The previous prime is 30430927. The next prime is 30430973. The reversal of 30430960 is 6903403.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 26886 + ... + 27994.

It is an arithmetic number, because the mean of its divisors is an integer number (1032300).

Almost surely, 2^30430960 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 30430960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41292000).

30430960 is an abundant number, since it is smaller than the sum of its proper divisors (52153040).

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

30430960 is a wasteful number, since it uses less digits than its factorization.

30430960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30430960 is about 5516.4263794598. The cubic root of 30430960 is about 312.2040633038.

The spelling of 30430960 in words is "thirty million, four hundred thirty thousand, nine hundred sixty".