90830193 has 8 divisors (see below), whose sum is σ = 121166208. Its totient is φ = 60523824.

The previous prime is 90830189. The next prime is 90830213. The reversal of 90830193 is 39103809.

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

It is not a de Polignac number, because 90830193 - 2² = 90830189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90830143) 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, 1155 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (15145776).

Almost surely, 2^90830193 is an apocalyptic number.

It is an amenable number.

90830193 is a deficient number, since it is larger than the sum of its proper divisors (30336015).

90830193 is a wasteful number, since it uses less digits than its factorization.

90830193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 90830193 is about 9530.4875531108. The cubic root of 90830193 is about 449.5141967212.

The spelling of 90830193 in words is "ninety million, eight hundred thirty thousand, one hundred ninety-three".