28796870 has 8 divisors (see below), whose sum is σ = 51834384. Its totient is φ = 11518744.

The previous prime is 28796863. The next prime is 28796881. The reversal of 28796870 is 7869782.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439834 + ... + 1439853.

It is an arithmetic number, because the mean of its divisors is an integer number (6479298).

Almost surely, 2^28796870 is an apocalyptic number.

28796870 is a deficient number, since it is larger than the sum of its proper divisors (23037514).

28796870 is a wasteful number, since it uses less digits than its factorization.

28796870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879694.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 28796870 is about 5366.2715175436. The cubic root of 28796870 is about 306.5126681638.

The spelling of 28796870 in words is "twenty-eight million, seven hundred ninety-six thousand, eight hundred seventy".