28867068 has 36 divisors (see below), whose sum is σ = 73856328. Its totient is φ = 9505440.

The previous prime is 28867063. The next prime is 28867073. The reversal of 28867068 is 86076882.

It is an interprime number because it is at equal distance from previous prime (28867063) and next prime (28867073).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×28867068² = 1666615229833248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28867063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1843 + ... + 7818.

Almost surely, 2^28867068 is an apocalyptic number.

It is an amenable number.

28867068 is an abundant number, since it is smaller than the sum of its proper divisors (44989260).

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

28867068 is a wasteful number, since it uses less digits than its factorization.

28867068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9754 (or 9749 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 28867068 is about 5372.8082042820. The cubic root of 28867068 is about 306.7615275746.

The spelling of 28867068 in words is "twenty-eight million, eight hundred sixty-seven thousand, sixty-eight".