189506452 has 24 divisors (see below), whose sum is σ = 341241824. Its totient is φ = 92018592.

The previous prime is 189506417. The next prime is 189506459. The reversal of 189506452 is 254605981.

189506452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189506459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115663 + ... + 117289.

Almost surely, 2^189506452 is an apocalyptic number.

It is an amenable number.

189506452 is a deficient number, since it is larger than the sum of its proper divisors (151735372).

189506452 is a wasteful number, since it uses less digits than its factorization.

189506452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2453 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 189506452 is about 13766.1342431345. The cubic root of 189506452 is about 574.3914943858.

The spelling of 189506452 in words is "one hundred eighty-nine million, five hundred six thousand, four hundred fifty-two".