90099195 has 16 divisors (see below), whose sum is σ = 146603520. Its totient is φ = 47237984.

The previous prime is 90099187. The next prime is 90099199. The reversal of 90099195 is 59199009.

It is a cyclic number.

It is not a de Polignac number, because 90099195 - 2³ = 90099187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90099199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50019 + ... + 51788.

It is an arithmetic number, because the mean of its divisors is an integer number (9162720).

Almost surely, 2^90099195 is an apocalyptic number.

90099195 is a deficient number, since it is larger than the sum of its proper divisors (56504325).

90099195 is a wasteful number, since it uses less digits than its factorization.

90099195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101874.

The product of its (nonzero) digits is 32805, while the sum is 42.

The square root of 90099195 is about 9492.0595762985. The cubic root of 90099195 is about 448.3050560362.

The spelling of 90099195 in words is "ninety million, ninety-nine thousand, one hundred ninety-five".