30008900 has 18 divisors (see below), whose sum is σ = 65119530. Its totient is φ = 12003520.

The previous prime is 30008897. The next prime is 30008917. The reversal of 30008900 is 980003.

It can be written as a sum of positive squares in 3 ways, for example, as 1982464 + 28026436 = 1408^2 + 5294^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149945 + ... + 150144.

Almost surely, 2^30008900 is an apocalyptic number.

It is an amenable number.

30008900 is an abundant number, since it is smaller than the sum of its proper divisors (35110630).

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

30008900 is a wasteful number, since it uses less digits than its factorization.

30008900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300103 (or 300096 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30008900 is about 5478.0379699305. The cubic root of 30008900 is about 310.7539746343.

Adding to 30008900 its reverse (980003), we get a palindrome (30988903).

The spelling of 30008900 in words is "thirty million, eight thousand, nine hundred".