30888090 has 48 divisors (see below), whose sum is σ = 82907136. Its totient is φ = 7970400.

The previous prime is 30888083. The next prime is 30888127. The reversal of 30888090 is 9088803.

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 23 ways as a sum of consecutive naturals, for example, 2746 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (1727232).

Almost surely, 2^30888090 is an apocalyptic number.

30888090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30888090 is an abundant number, since it is smaller than the sum of its proper divisors (52019046).

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

30888090 is a wasteful number, since it uses less digits than its factorization.

30888090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115 (or 11112 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 30888090 is about 5557.7054617891. The cubic root of 30888090 is about 313.7595966441.

The spelling of 30888090 in words is "thirty million, eight hundred eighty-eight thousand, ninety".