189351433 has 8 divisors (see below), whose sum is σ = 198896256. Its totient is φ = 179916000.

The previous prime is 189351431. The next prime is 189351451. The reversal of 189351433 is 334153981.

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

It is a cyclic number.

It is not a de Polignac number, because 189351433 - 2¹ = 189351431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189351392 and 189351401.

It is not an unprimeable number, because it can be changed into a prime (189351431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23788 + ... + 30733.

It is an arithmetic number, because the mean of its divisors is an integer number (24862032).

Almost surely, 2^189351433 is an apocalyptic number.

It is an amenable number.

189351433 is a deficient number, since it is larger than the sum of its proper divisors (9544823).

189351433 is a wasteful number, since it uses less digits than its factorization.

189351433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54695.

The product of its digits is 38880, while the sum is 37.

The square root of 189351433 is about 13760.5026434357. The cubic root of 189351433 is about 574.2348314960.

The spelling of 189351433 in words is "one hundred eighty-nine million, three hundred fifty-one thousand, four hundred thirty-three".