189073899 has 48 divisors (see below), whose sum is σ = 327745440. Its totient is φ = 107412480.

The previous prime is 189073877. The next prime is 189073931. The reversal of 189073899 is 998370981.

189073899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189073899 - 2⁷ = 189073771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189073399) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318547 + ... + 319139.

It is an arithmetic number, because the mean of its divisors is an integer number (6828030).

Almost surely, 2^189073899 is an apocalyptic number.

189073899 is a deficient number, since it is larger than the sum of its proper divisors (138671541).

189073899 is a wasteful number, since it uses less digits than its factorization.

189073899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 189073899 is about 13750.4145028432. The cubic root of 189073899 is about 573.9541406947.

The spelling of 189073899 in words is "one hundred eighty-nine million, seventy-three thousand, eight hundred ninety-nine".