189047466 has 32 divisors (see below), whose sum is σ = 420621120.
Its totient is φ = 62938512.
The previous prime is 189047461. The next prime is 189047477. The reversal of 189047466 is 664740981.
189047466 is a `hidden beast` number, since 189 + 0 + 4 + 7 + 466 = 666.
It is not an unprimeable number, because it can be changed into a prime (189047461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57421 + ... + 60623.
It is an arithmetic number, because the mean of its divisors is an integer number (13144410).
Almost surely, 2189047466 is an apocalyptic number.
189047466 is an abundant number, since it is smaller than the sum of its proper divisors (231573654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189047466 is a wasteful number, since it uses less digits than its factorization.
189047466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4307 (or 4301 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 189047466 is about 13749.4532982224.
The cubic root of 189047466 is about 573.9273927108.
It can be divided in two parts, 1890474 and 66, that added together give a triangular number (1890540 = T1944).
The spelling of 189047466 in words is "one hundred eighty-nine million, forty-seven thousand, four hundred sixty-six".