30089885 has 16 divisors (see below), whose sum is σ = 41696256. Its totient is φ = 20418048.

The previous prime is 30089867. The next prime is 30089903. The reversal of 30089885 is 58898003.

It is an interprime number because it is at equal distance from previous prime (30089867) and next prime (30089903).

It is not a de Polignac number, because 30089885 - 2¹⁴ = 30073501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (2606016).

Almost surely, 2^30089885 is an apocalyptic number.

30089885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30089885 is a deficient number, since it is larger than the sum of its proper divisors (11606371).

30089885 is an equidigital number, since it uses as much as digits as its factorization.

30089885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8972.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 30089885 is about 5485.4247784470. The cubic root of 30089885 is about 311.0332673959.

The spelling of 30089885 in words is "thirty million, eighty-nine thousand, eight hundred eighty-five".