189532634 has 8 divisors (see below), whose sum is σ = 286469568. Its totient is φ = 94042780.

The previous prime is 189532621. The next prime is 189532697. The reversal of 189532634 is 436235981.

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

It is a junction number, because it is equal to n+sod(n) for n = 189532591 and 189532600.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 361442 + ... + 361965.

It is an arithmetic number, because the mean of its divisors is an integer number (35808696).

Almost surely, 2^189532634 is an apocalyptic number.

189532634 is a deficient number, since it is larger than the sum of its proper divisors (96936934).

189532634 is a wasteful number, since it uses less digits than its factorization.

189532634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723540.

The product of its digits is 155520, while the sum is 41.

The square root of 189532634 is about 13767.0851671659. The cubic root of 189532634 is about 574.4179455970.

The spelling of 189532634 in words is "one hundred eighty-nine million, five hundred thirty-two thousand, six hundred thirty-four".