189001084 has 6 divisors (see below), whose sum is σ = 330751904. Its totient is φ = 94500540.

The previous prime is 189001067. The next prime is 189001093. The reversal of 189001084 is 480100981.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 23625132 + ... + 23625139.

Almost surely, 2^189001084 is an apocalyptic number.

It is an amenable number.

189001084 is a deficient number, since it is larger than the sum of its proper divisors (141750820).

189001084 is a wasteful number, since it uses less digits than its factorization.

189001084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47250275 (or 47250273 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 189001084 is about 13747.7665095098. The cubic root of 189001084 is about 573.8804519817.

The spelling of 189001084 in words is "one hundred eighty-nine million, one thousand, eighty-four".