28828967 has 8 divisors (see below), whose sum is σ = 29203200. Its totient is φ = 28457440.

The previous prime is 28828937. The next prime is 28828997. The reversal of 28828967 is 76982882.

It is an interprime number because it is at equal distance from previous prime (28828937) and next prime (28828997).

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 28828967 - 2¹² = 28824871 is a prime.

It is a super-2 number, since 2×28828967² = 1662218676574178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28828937) 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, 27953 + ... + 28965.

It is an arithmetic number, because the mean of its divisors is an integer number (3650400).

Almost surely, 2^28828967 is an apocalyptic number.

28828967 is a deficient number, since it is larger than the sum of its proper divisors (374233).

28828967 is a wasteful number, since it uses less digits than its factorization.

28828967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its digits is 774144, while the sum is 50.

The square root of 28828967 is about 5369.2613085973. The cubic root of 28828967 is about 306.6265055840.

The spelling of 28828967 in words is "twenty-eight million, eight hundred twenty-eight thousand, nine hundred sixty-seven".