189463814 has 4 divisors (see below), whose sum is σ = 284195724. Its totient is φ = 94731906.

The previous prime is 189463789. The next prime is 189463849. The reversal of 189463814 is 418364981.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47365952 + ... + 47365955.

It is an arithmetic number, because the mean of its divisors is an integer number (71048931).

Almost surely, 2^189463814 is an apocalyptic number.

189463814 is a deficient number, since it is larger than the sum of its proper divisors (94731910).

189463814 is an equidigital number, since it uses as much as digits as its factorization.

189463814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94731909.

The product of its digits is 165888, while the sum is 44.

The square root of 189463814 is about 13764.5855004791. The cubic root of 189463814 is about 574.3484127540.

The spelling of 189463814 in words is "one hundred eighty-nine million, four hundred sixty-three thousand, eight hundred fourteen".