189782914 has 4 divisors (see below), whose sum is σ = 284674374. Its totient is φ = 94891456.

The previous prime is 189782911. The next prime is 189782933. The reversal of 189782914 is 419287981.

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., 101103025 + 88679889 = 10055^2 + 9417^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (189782911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47445727 + ... + 47445730.

Almost surely, 2^189782914 is an apocalyptic number.

189782914 is a deficient number, since it is larger than the sum of its proper divisors (94891460).

189782914 is an equidigital number, since it uses as much as digits as its factorization.

189782914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94891459.

The product of its digits is 290304, while the sum is 49.

The square root of 189782914 is about 13776.1719646642. The cubic root of 189782914 is about 574.6706761964.

The spelling of 189782914 in words is "one hundred eighty-nine million, seven hundred eighty-two thousand, nine hundred fourteen".