28868367 has 8 divisors (see below), whose sum is σ = 41990400. Its totient is φ = 17495960.

The previous prime is 28868341. The next prime is 28868377. The reversal of 28868367 is 76386882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28868367 - 2¹⁴ = 28851983 is a prime.

It is a super-2 number, since 2×28868367² = 1666765226493378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28868327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437367 + ... + 437432.

It is an arithmetic number, because the mean of its divisors is an integer number (5248800).

Almost surely, 2^28868367 is an apocalyptic number.

28868367 is a deficient number, since it is larger than the sum of its proper divisors (13122033).

28868367 is a wasteful number, since it uses less digits than its factorization.

28868367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874813.

The product of its digits is 774144, while the sum is 48.

The square root of 28868367 is about 5372.9290894260. The cubic root of 28868367 is about 306.7661288645.

The spelling of 28868367 in words is "twenty-eight million, eight hundred sixty-eight thousand, three hundred sixty-seven".