189459954 has 12 divisors (see below), whose sum is σ = 410496606. Its totient is φ = 63153312.

The previous prime is 189459937. The next prime is 189459979. The reversal of 189459954 is 459954981.

189459954 is a `hidden beast` number, since 189 + 459 + 9 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 162180225 + 27279729 = 12735^2 + 5223^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189459954.

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 in 5 ways as a sum of consecutive naturals, for example, 5262759 + ... + 5262794.

Almost surely, 2^189459954 is an apocalyptic number.

189459954 is an abundant number, since it is smaller than the sum of its proper divisors (221036652).

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

189459954 is a wasteful number, since it uses less digits than its factorization.

189459954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10525561 (or 10525558 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 189459954 is about 13764.4452848635. The cubic root of 189459954 is about 574.3445122732.

The spelling of 189459954 in words is "one hundred eighty-nine million, four hundred fifty-nine thousand, nine hundred fifty-four".