28001068 has 6 divisors (see below), whose sum is σ = 49001876. Its totient is φ = 14000532.

The previous prime is 28001063. The next prime is 28001069. The reversal of 28001068 is 86010082.

It is not an unprimeable number, because it can be changed into a prime (28001063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500130 + ... + 3500137.

Almost surely, 2^28001068 is an apocalyptic number.

It is an amenable number.

28001068 is a deficient number, since it is larger than the sum of its proper divisors (21000808).

28001068 is a wasteful number, since it uses less digits than its factorization.

28001068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000271 (or 7000269 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 28001068 is about 5291.6035376812. The cubic root of 28001068 is about 303.6627579445.

The spelling of 28001068 in words is "twenty-eight million, one thousand, sixty-eight".