28870195 has 8 divisors (see below), whose sum is σ = 34707744. Its totient is φ = 23053824.

The previous prime is 28870189. The next prime is 28870211. The reversal of 28870195 is 59107882.

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 28870195 - 2¹³ = 28862003 is a prime.

It is a Duffinian number.

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, 2119 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (4338468).

Almost surely, 2^28870195 is an apocalyptic number.

28870195 is a deficient number, since it is larger than the sum of its proper divisors (5837549).

28870195 is a wasteful number, since it uses less digits than its factorization.

28870195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 28870195 is about 5373.0991987865. The cubic root of 28870195 is about 306.7726037331.

The spelling of 28870195 in words is "twenty-eight million, eight hundred seventy thousand, one hundred ninety-five".