28098195 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 14016000.

The previous prime is 28098193. The next prime is 28098197. The reversal of 28098195 is 59189082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28098193) and next prime (28098197).

It is not a de Polignac number, because 28098195 - 2¹ = 28098193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28098193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63786 + ... + 64224.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^28098195 is an apocalyptic number.

28098195 is a deficient number, since it is larger than the sum of its proper divisors (19801965).

28098195 is a wasteful number, since it uses less digits than its factorization.

28098195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 28098195 is about 5300.7730568286. The cubic root of 28098195 is about 304.0134566700.

The spelling of 28098195 in words is "twenty-eight million, ninety-eight thousand, one hundred ninety-five".