30867089 has 16 divisors (see below), whose sum is σ = 34560000. Its totient is φ = 27331920.

The previous prime is 30867071. The next prime is 30867091. The reversal of 30867089 is 98076803.

It is a de Polignac number, because none of the positive numbers 2^k-30867089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30867029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129032 + ... + 129270.

It is an arithmetic number, because the mean of its divisors is an integer number (2160000).

Almost surely, 2^30867089 is an apocalyptic number.

It is an amenable number.

30867089 is a deficient number, since it is larger than the sum of its proper divisors (3692911).

30867089 is a wasteful number, since it uses less digits than its factorization.

30867089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 30867089 is about 5555.8157816832. The cubic root of 30867089 is about 313.6884715037.

The spelling of 30867089 in words is "thirty million, eight hundred sixty-seven thousand, eighty-nine".