30320089 has 4 divisors (see below), whose sum is σ = 30438324. Its totient is φ = 30201856.

The previous prime is 30320083. The next prime is 30320137. The reversal of 30320089 is 98002303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14953689 + 15366400 = 3867^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 30320089 - 2¹⁵ = 30287321 is a prime.

It is a super-4 number, since 4×30320089⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58732 + ... + 59245.

It is an arithmetic number, because the mean of its divisors is an integer number (7609581).

Almost surely, 2^30320089 is an apocalyptic number.

It is an amenable number.

30320089 is a deficient number, since it is larger than the sum of its proper divisors (118235).

30320089 is a wasteful number, since it uses less digits than its factorization.

30320089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118234.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30320089 is about 5506.3680407325. The cubic root of 30320089 is about 311.8244444380.

The spelling of 30320089 in words is "thirty million, three hundred twenty thousand, eighty-nine".