189733 has 2 divisors, whose sum is σ = 189734. Its totient is φ = 189732.

The previous prime is 189713. The next prime is 189743. The reversal of 189733 is 337981.

189733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158404 + 31329 = 398^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 189733 - 2⁵ = 189701 is a prime.

It is a super-2 number, since 2×189733² = 71997222578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189695 and 189704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94866 + 94867.

It is an arithmetic number, because the mean of its divisors is an integer number (94867).

2¹⁸⁹⁷³³ is an apocalyptic number.

It is an amenable number.

189733 is a deficient number, since it is larger than the sum of its proper divisors (1).

189733 is an equidigital number, since it uses as much as digits as its factorization.

189733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 189733 is about 435.5835166762. The cubic root of 189733 is about 57.4620291212.

The spelling of 189733 in words is "one hundred eighty-nine thousand, seven hundred thirty-three".