28025968 has 10 divisors (see below), whose sum is σ = 54300344. Its totient is φ = 14012976.

The previous prime is 28025951. The next prime is 28025989. The reversal of 28025968 is 86952082.

It is a self number, because there is not a number n which added to its sum of digits gives 28025968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875796 + ... + 875827.

Almost surely, 2^28025968 is an apocalyptic number.

It is an amenable number.

28025968 is a deficient number, since it is larger than the sum of its proper divisors (26274376).

28025968 is a wasteful number, since it uses less digits than its factorization.

28025968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751631 (or 1751625 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 28025968 is about 5293.9557988332. The cubic root of 28025968 is about 303.7527421611.

The spelling of 28025968 in words is "twenty-eight million, twenty-five thousand, nine hundred sixty-eight".