28250032 has 10 divisors (see below), whose sum is σ = 54734468. Its totient is φ = 14125008.

The previous prime is 28250029. The next prime is 28250041. The reversal of 28250032 is 23005282.

It is a junction number, because it is equal to n+sod(n) for n = 28249985 and 28250012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882798 + ... + 882829.

Almost surely, 2^28250032 is an apocalyptic number.

It is an amenable number.

28250032 is a deficient number, since it is larger than the sum of its proper divisors (26484436).

28250032 is a wasteful number, since it uses less digits than its factorization.

28250032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765635 (or 1765629 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 28250032 is about 5315.0759166733. The cubic root of 28250032 is about 304.5600824420.

The spelling of 28250032 in words is "twenty-eight million, two hundred fifty thousand, thirty-two".