189126028 has 24 divisors (see below), whose sum is σ = 407349152. Its totient is φ = 74818944.

The previous prime is 189126013. The next prime is 189126061. The reversal of 189126028 is 820621981.

189126028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259425 + ... + 260152.

Almost surely, 2^189126028 is an apocalyptic number.

It is an amenable number.

189126028 is an abundant number, since it is smaller than the sum of its proper divisors (218223124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189126028 is a wasteful number, since it uses less digits than its factorization.

189126028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519601 (or 519599 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 189126028 is about 13752.3099150652. The cubic root of 189126028 is about 574.0068835751.

The spelling of 189126028 in words is "one hundred eighty-nine million, one hundred twenty-six thousand, twenty-eight".