189534004 has 12 divisors (see below), whose sum is σ = 361837728. Its totient is φ = 86151800.

The previous prime is 189534001. The next prime is 189534013. The reversal of 189534004 is 400435981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189534001) 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 in 3 ways as a sum of consecutive naturals, for example, 2153752 + ... + 2153839.

It is an arithmetic number, because the mean of its divisors is an integer number (30153144).

Almost surely, 2^189534004 is an apocalyptic number.

It is an amenable number.

189534004 is a deficient number, since it is larger than the sum of its proper divisors (172303724).

189534004 is a wasteful number, since it uses less digits than its factorization.

189534004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307606 (or 4307604 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 189534004 is about 13767.1349234327. The cubic root of 189534004 is about 574.4193296167.

Adding to 189534004 its reverse (400435981), we get a palindrome (589969985).

The spelling of 189534004 in words is "one hundred eighty-nine million, five hundred thirty-four thousand, four".