189474862 has 4 divisors (see below), whose sum is σ = 284212296. Its totient is φ = 94737430.

The previous prime is 189474833. The next prime is 189474871. The reversal of 189474862 is 268474981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 268474981 = 5303 ⋅50627.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 47368714 + ... + 47368717.

It is an arithmetic number, because the mean of its divisors is an integer number (71053074).

Almost surely, 2^189474862 is an apocalyptic number.

189474862 is a deficient number, since it is larger than the sum of its proper divisors (94737434).

189474862 is an equidigital number, since it uses as much as digits as its factorization.

189474862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94737433.

The product of its digits is 774144, while the sum is 49.

The square root of 189474862 is about 13764.9868143780. The cubic root of 189474862 is about 574.3595763245.

The spelling of 189474862 in words is "one hundred eighty-nine million, four hundred seventy-four thousand, eight hundred sixty-two".