189589748 has 6 divisors (see below), whose sum is σ = 331782066. Its totient is φ = 94794872.

The previous prime is 189589747. The next prime is 189589783. The reversal of 189589748 is 847985981.

It can be written as a sum of positive squares in only one way, i.e., 97851664 + 91738084 = 9892^2 + 9578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189589747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23698715 + ... + 23698722.

It is an arithmetic number, because the mean of its divisors is an integer number (55297011).

Almost surely, 2^189589748 is an apocalyptic number.

It is an amenable number.

189589748 is a deficient number, since it is larger than the sum of its proper divisors (142192318).

189589748 is a wasteful number, since it uses less digits than its factorization.

189589748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47397441 (or 47397439 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 59.

The square root of 189589748 is about 13769.1593062176. The cubic root of 189589748 is about 574.4756384087.

The spelling of 189589748 in words is "one hundred eighty-nine million, five hundred eighty-nine thousand, seven hundred forty-eight".