28967385 has 8 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 15449264.

The previous prime is 28967377. The next prime is 28967399. The reversal of 28967385 is 58376982.

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 28967385 - 2³ = 28967377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965565 + ... + 965594.

It is an arithmetic number, because the mean of its divisors is an integer number (5793480).

Almost surely, 2^28967385 is an apocalyptic number.

It is an amenable number.

28967385 is a deficient number, since it is larger than the sum of its proper divisors (17380455).

28967385 is a wasteful number, since it uses less digits than its factorization.

28967385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931167.

The product of its digits is 725760, while the sum is 48.

The square root of 28967385 is about 5382.1357285004. The cubic root of 28967385 is about 307.1164627966.

The spelling of 28967385 in words is "twenty-eight million, nine hundred sixty-seven thousand, three hundred eighty-five".