28750192 has 20 divisors (see below), whose sum is σ = 58635880. Its totient is φ = 13618368.

The previous prime is 28750157. The next prime is 28750199. The reversal of 28750192 is 29105782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28750199) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46983 + ... + 47590.

It is an arithmetic number, because the mean of its divisors is an integer number (2931794).

Almost surely, 2^28750192 is an apocalyptic number.

It is an amenable number.

28750192 is an abundant number, since it is smaller than the sum of its proper divisors (29885688).

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

28750192 is a wasteful number, since it uses less digits than its factorization.

28750192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94600 (or 94594 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 28750192 is about 5361.9205514442. The cubic root of 28750192 is about 306.3469657134.

The spelling of 28750192 in words is "twenty-eight million, seven hundred fifty thousand, one hundred ninety-two".