28290195 has 32 divisors (see below), whose sum is σ = 50519040. Its totient is φ = 15020640.

The previous prime is 28290179. The next prime is 28290203. The reversal of 28290195 is 59109282.

It is not a de Polignac number, because 28290195 - 2⁴ = 28290179 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49260 + ... + 49830.

It is an arithmetic number, because the mean of its divisors is an integer number (1578720).

Almost surely, 2^28290195 is an apocalyptic number.

28290195 is a deficient number, since it is larger than the sum of its proper divisors (22228845).

28290195 is a wasteful number, since it uses less digits than its factorization.

28290195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 28290195 is about 5318.8527898411. The cubic root of 28290195 is about 304.7043448675.

The spelling of 28290195 in words is "twenty-eight million, two hundred ninety thousand, one hundred ninety-five".