189416452 has 6 divisors (see below), whose sum is σ = 331478798. Its totient is φ = 94708224.

The previous prime is 189416449. The next prime is 189416467. The reversal of 189416452 is 254614981.

It can be written as a sum of positive squares in only one way, i.e., 170459136 + 18957316 = 13056^2 + 4354^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23677053 + ... + 23677060.

Almost surely, 2^189416452 is an apocalyptic number.

It is an amenable number.

189416452 is a deficient number, since it is larger than the sum of its proper divisors (142062346).

189416452 is a wasteful number, since it uses less digits than its factorization.

189416452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47354117 (or 47354115 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 189416452 is about 13762.8649633715. The cubic root of 189416452 is about 574.3005503928.

The spelling of 189416452 in words is "one hundred eighty-nine million, four hundred sixteen thousand, four hundred fifty-two".