189411458 has 4 divisors (see below), whose sum is σ = 284117190. Its totient is φ = 94705728.

The previous prime is 189411413. The next prime is 189411493. The reversal of 189411458 is 854114981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187607809 + 1803649 = 13697^2 + 1343^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47352863 + ... + 47352866.

Almost surely, 2^189411458 is an apocalyptic number.

189411458 is a deficient number, since it is larger than the sum of its proper divisors (94705732).

189411458 is an equidigital number, since it uses as much as digits as its factorization.

189411458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94705731.

The product of its digits is 46080, while the sum is 41.

The square root of 189411458 is about 13762.6835319279. The cubic root of 189411458 is about 574.2955031682.

The spelling of 189411458 in words is "one hundred eighty-nine million, four hundred eleven thousand, four hundred fifty-eight".