28361750 has 32 divisors (see below), whose sum is σ = 54407808. Its totient is φ = 11064000.

The previous prime is 28361717. The next prime is 28361819. The reversal of 28361750 is 5716382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8867 + ... + 11633.

It is an arithmetic number, because the mean of its divisors is an integer number (1700244).

Almost surely, 2^28361750 is an apocalyptic number.

28361750 is a deficient number, since it is larger than the sum of its proper divisors (26046058).

28361750 is a wasteful number, since it uses less digits than its factorization.

28361750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 28361750 is about 5325.5750863170. The cubic root of 28361750 is about 304.9610270009.

The spelling of 28361750 in words is "twenty-eight million, three hundred sixty-one thousand, seven hundred fifty".