189454026 has 8 divisors (see below), whose sum is σ = 378908064. Its totient is φ = 63151340.

The previous prime is 189454021. The next prime is 189454049. The reversal of 189454026 is 620454981.

It is a sphenic number, since it is the product of 3 distinct primes.

189454026 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (189454021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15787830 + ... + 15787841.

It is an arithmetic number, because the mean of its divisors is an integer number (47363508).

Almost surely, 2^189454026 is an apocalyptic number.

189454026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189454026 is a wasteful number, since it uses less digits than its factorization.

189454026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31575676.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 189454026 is about 13764.2299457689. The cubic root of 189454026 is about 574.3385220015.

The spelling of 189454026 in words is "one hundred eighty-nine million, four hundred fifty-four thousand, twenty-six".