90200193 has 8 divisors (see below), whose sum is σ = 120878208. Its totient is φ = 59827824.

The previous prime is 90200189. The next prime is 90200213. The reversal of 90200193 is 39100209.

It is a happy number.

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

It is not a de Polignac number, because 90200193 - 2² = 90200189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90200183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75721 + ... + 76902.

It is an arithmetic number, because the mean of its divisors is an integer number (15109776).

Almost surely, 2^90200193 is an apocalyptic number.

It is an amenable number.

90200193 is a deficient number, since it is larger than the sum of its proper divisors (30678015).

90200193 is a wasteful number, since it uses less digits than its factorization.

90200193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152823.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 90200193 is about 9497.3782171713. The cubic root of 90200193 is about 448.4725048363.

The spelling of 90200193 in words is "ninety million, two hundred thousand, one hundred ninety-three".