28876345 has 8 divisors (see below), whose sum is σ = 35769600. Its totient is φ = 22355760.

The previous prime is 28876327. The next prime is 28876357. The reversal of 28876345 is 54367882.

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

It is not a de Polignac number, because 28876345 - 2¹³ = 28868153 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, 92995 + ... + 93304.

It is an arithmetic number, because the mean of its divisors is an integer number (4471200).

Almost surely, 2^28876345 is an apocalyptic number.

It is an amenable number.

28876345 is a deficient number, since it is larger than the sum of its proper divisors (6893255).

28876345 is a wasteful number, since it uses less digits than its factorization.

28876345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186335.

The product of its digits is 322560, while the sum is 43.

The square root of 28876345 is about 5373.6714637201. The cubic root of 28876345 is about 306.7943853382.

The spelling of 28876345 in words is "twenty-eight million, eight hundred seventy-six thousand, three hundred forty-five".