189498454 has 8 divisors (see below), whose sum is σ = 290295648. Its totient is φ = 92733240.

The previous prime is 189498451. The next prime is 189498461. The reversal of 189498454 is 454894981.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189498451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007877 + ... + 1008064.

It is an arithmetic number, because the mean of its divisors is an integer number (36286956).

Almost surely, 2^189498454 is an apocalyptic number.

189498454 is a deficient number, since it is larger than the sum of its proper divisors (100797194).

189498454 is a wasteful number, since it uses less digits than its factorization.

189498454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015990.

The product of its digits is 1658880, while the sum is 52.

The square root of 189498454 is about 13765.8437445730. The cubic root of 189498454 is about 574.3834136621.

The spelling of 189498454 in words is "one hundred eighty-nine million, four hundred ninety-eight thousand, four hundred fifty-four".