190833493 has 2 divisors, whose sum is σ = 190833494. Its totient is φ = 190833492.

The previous prime is 190833469. The next prime is 190833509. The reversal of 190833493 is 394338091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99860049 + 90973444 = 9993^2 + 9538^2 .

It is a cyclic number.

It is not a de Polignac number, because 190833493 - 2¹³ = 190825301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190833403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95416746 + 95416747.

It is an arithmetic number, because the mean of its divisors is an integer number (95416747).

Almost surely, 2^190833493 is an apocalyptic number.

It is an amenable number.

190833493 is a deficient number, since it is larger than the sum of its proper divisors (1).

190833493 is an equidigital number, since it uses as much as digits as its factorization.

190833493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 190833493 is about 13814.2496357927. The cubic root of 190833493 is about 575.7291247012.

The spelling of 190833493 in words is "one hundred ninety million, eight hundred thirty-three thousand, four hundred ninety-three".