28250248 has 16 divisors (see below), whose sum is σ = 57043980. Its totient is φ = 13038528.

The previous prime is 28250227. The next prime is 28250249. The reversal of 28250248 is 84205282.

It can be written as a sum of positive squares in 2 ways, for example, as 27436644 + 813604 = 5238^2 + 902^2 .

It is not an unprimeable number, because it can be changed into a prime (28250249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135715 + ... + 135922.

Almost surely, 2^28250248 is an apocalyptic number.

It is an amenable number.

28250248 is an abundant number, since it is smaller than the sum of its proper divisors (28793732).

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

28250248 is a wasteful number, since it uses less digits than its factorization.

28250248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271656 (or 271652 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 28250248 is about 5315.0962361937. The cubic root of 28250248 is about 304.5608586631.

The spelling of 28250248 in words is "twenty-eight million, two hundred fifty thousand, two hundred forty-eight".