189476794 has 8 divisors (see below), whose sum is σ = 306077940. Its totient is φ = 87450816.

The previous prime is 189476753. The next prime is 189476801. The reversal of 189476794 is 497674981.

It can be written as a sum of positive squares in 2 ways, for example, as 187553025 + 1923769 = 13695^2 + 1387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643759 + ... + 3643810.

Almost surely, 2^189476794 is an apocalyptic number.

189476794 is a deficient number, since it is larger than the sum of its proper divisors (116601146).

189476794 is a wasteful number, since it uses less digits than its factorization.

189476794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287584.

The product of its digits is 3048192, while the sum is 55.

The square root of 189476794 is about 13765.0569922540. The cubic root of 189476794 is about 574.3615284901.

The spelling of 189476794 in words is "one hundred eighty-nine million, four hundred seventy-six thousand, seven hundred ninety-four".