30159912 has 32 divisors (see below), whose sum is σ = 75794400. Its totient is φ = 10000704.

The previous prime is 30159911. The next prime is 30159929. The reversal of 30159912 is 21995103.

It is a self number, because there is not a number n which added to its sum of digits gives 30159912.

It is not an unprimeable number, because it can be changed into a prime (30159911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (2368575).

Almost surely, 2^30159912 is an apocalyptic number.

It is an amenable number.

30159912 is an abundant number, since it is smaller than the sum of its proper divisors (45634488).

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

30159912 is a wasteful number, since it uses less digits than its factorization.

30159912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 30159912 is about 5491.8040751651. The cubic root of 30159912 is about 311.2743656027.

The spelling of 30159912 in words is "thirty million, one hundred fifty-nine thousand, nine hundred twelve".