230198091 has 8 divisors (see below), whose sum is σ = 323085120. Its totient is φ = 145388232.

The previous prime is 230198083. The next prime is 230198113. The reversal of 230198091 is 190891032.

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

It is not a de Polignac number, because 230198091 - 2³ = 230198083 is a prime.

It is a super-2 number, since 2×230198091² = 105982322200088562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230198011) 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, 2019225 + ... + 2019338.

It is an arithmetic number, because the mean of its divisors is an integer number (40385640).

Almost surely, 2^230198091 is an apocalyptic number.

230198091 is a deficient number, since it is larger than the sum of its proper divisors (92887029).

230198091 is a wasteful number, since it uses less digits than its factorization.

230198091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038585.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 230198091 is about 15172.2803493740. The cubic root of 230198091 is about 612.8684139815.

The spelling of 230198091 in words is "two hundred thirty million, one hundred ninety-eight thousand, ninety-one".