189332398 has 8 divisors (see below), whose sum is σ = 284422608. Its totient is φ = 94524864.

The previous prime is 189332393. The next prime is 189332399. The reversal of 189332398 is 893233981.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189332393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68986 + ... + 71677.

It is an arithmetic number, because the mean of its divisors is an integer number (35552826).

Almost surely, 2^189332398 is an apocalyptic number.

189332398 is a deficient number, since it is larger than the sum of its proper divisors (95090210).

189332398 is a wasteful number, since it uses less digits than its factorization.

189332398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141338.

The product of its digits is 279936, while the sum is 46.

The square root of 189332398 is about 13759.8109725388. The cubic root of 189332398 is about 574.2155887470.

The spelling of 189332398 in words is "one hundred eighty-nine million, three hundred thirty-two thousand, three hundred ninety-eight".