30028590 has 32 divisors (see below), whose sum is σ = 80076960. Its totient is φ = 8007552.

The previous prime is 30028589. The next prime is 30028627. The reversal of 30028590 is 9582003.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 55339 + ... + 55878.

It is an arithmetic number, because the mean of its divisors is an integer number (2502405).

Almost surely, 2^30028590 is an apocalyptic number.

30028590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30028590 is an abundant number, since it is smaller than the sum of its proper divisors (50048370).

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

30028590 is a wasteful number, since it uses less digits than its factorization.

30028590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111233 (or 111227 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30028590 is about 5479.8348515261. The cubic root of 30028590 is about 310.8219256755.

The spelling of 30028590 in words is "thirty million, twenty-eight thousand, five hundred ninety".