190093 has 2 divisors, whose sum is σ = 190094. Its totient is φ = 190092.

The previous prime is 190063. The next prime is 190097. The reversal of 190093 is 390091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 59049 = 362^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 190093 - 2¹⁷ = 59021 is a prime.

It is a super-2 number, since 2×190093² = 72270697298, which contains 22 as substring.

190093 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95046 + 95047.

It is an arithmetic number, because the mean of its divisors is an integer number (95047).

2¹⁹⁰⁰⁹³ is an apocalyptic number.

It is an amenable number.

190093 is a deficient number, since it is larger than the sum of its proper divisors (1).

190093 is an equidigital number, since it uses as much as digits as its factorization.

190093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 190093 is about 435.9965596195. The cubic root of 190093 is about 57.4983490389.

The spelling of 190093 in words is "one hundred ninety thousand, ninety-three".