28558150 has 12 divisors (see below), whose sum is σ = 53118252. Its totient is φ = 11423240.

The previous prime is 28558139. The next prime is 28558163. The reversal of 28558150 is 5185582.

It is a happy number.

It is a super-3 number, since 3×28558150³ (a number of 23 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 285532 + ... + 285631.

It is an arithmetic number, because the mean of its divisors is an integer number (4426521).

Almost surely, 2^28558150 is an apocalyptic number.

28558150 is a deficient number, since it is larger than the sum of its proper divisors (24560102).

28558150 is a wasteful number, since it uses less digits than its factorization.

28558150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571175 (or 571170 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 28558150 is about 5343.9825972771. The cubic root of 28558150 is about 305.6633417102.

The spelling of 28558150 in words is "twenty-eight million, five hundred fifty-eight thousand, one hundred fifty".