189861614 has 4 divisors (see below), whose sum is σ = 284792424. Its totient is φ = 94930806.

The previous prime is 189861601. The next prime is 189861643. The reversal of 189861614 is 416168981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 416168981 = 5897 ⋅70573.

It is a Curzon number.

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, 47465402 + ... + 47465405.

It is an arithmetic number, because the mean of its divisors is an integer number (71198106).

Almost surely, 2^189861614 is an apocalyptic number.

189861614 is a deficient number, since it is larger than the sum of its proper divisors (94930810).

189861614 is an equidigital number, since it uses as much as digits as its factorization.

189861614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94930809.

The product of its digits is 82944, while the sum is 44.

The square root of 189861614 is about 13779.0280499025. The cubic root of 189861614 is about 574.7501008596.

The spelling of 189861614 in words is "one hundred eighty-nine million, eight hundred sixty-one thousand, six hundred fourteen".