189829357 has 2 divisors, whose sum is σ = 189829358. Its totient is φ = 189829356.

The previous prime is 189829333. The next prime is 189829417. The reversal of 189829357 is 753928981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119705481 + 70123876 = 10941^2 + 8374^2 .

It is a cyclic number.

It is not a de Polignac number, because 189829357 - 2¹⁵ = 189796589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189829457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94914678 + 94914679.

It is an arithmetic number, because the mean of its divisors is an integer number (94914679).

Almost surely, 2^189829357 is an apocalyptic number.

It is an amenable number.

189829357 is a deficient number, since it is larger than the sum of its proper divisors (1).

189829357 is an equidigital number, since it uses as much as digits as its factorization.

189829357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 52.

The square root of 189829357 is about 13777.8574894648. The cubic root of 189829357 is about 574.7175494946.

The spelling of 189829357 in words is "one hundred eighty-nine million, eight hundred twenty-nine thousand, three hundred fifty-seven".