30046889 has 2 divisors, whose sum is σ = 30046890. Its totient is φ = 30046888.

The previous prime is 30046867. The next prime is 30046921. The reversal of 30046889 is 98864003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 7198489 = 4780^2 + 2683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30046889 is a prime.

It is not a weakly prime, because it can be changed into another prime (30046859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15023444 + 15023445.

It is an arithmetic number, because the mean of its divisors is an integer number (15023445).

Almost surely, 2^30046889 is an apocalyptic number.

It is an amenable number.

30046889 is a deficient number, since it is larger than the sum of its proper divisors (1).

30046889 is an equidigital number, since it uses as much as digits as its factorization.

30046889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 30046889 is about 5481.5042643420. The cubic root of 30046889 is about 310.8850496902.

The spelling of 30046889 in words is "thirty million, forty-six thousand, eight hundred eighty-nine".