28676215 has 8 divisors (see below), whose sum is σ = 35598240. Its totient is φ = 22149792.

The previous prime is 28676213. The next prime is 28676231. The reversal of 28676215 is 51267682.

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 28676215 - 2¹ = 28676213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28676213) 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, 98739 + ... + 99028.

It is an arithmetic number, because the mean of its divisors is an integer number (4449780).

Almost surely, 2^28676215 is an apocalyptic number.

28676215 is a deficient number, since it is larger than the sum of its proper divisors (6922025).

28676215 is a wasteful number, since it uses less digits than its factorization.

28676215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197801.

The product of its digits is 40320, while the sum is 37.

The square root of 28676215 is about 5355.0177404001. The cubic root of 28676215 is about 306.0839866578.

The spelling of 28676215 in words is "twenty-eight million, six hundred seventy-six thousand, two hundred fifteen".