189080247 has 4 divisors (see below), whose sum is σ = 252107000. Its totient is φ = 126053496.

The previous prime is 189080219. The next prime is 189080251. The reversal of 189080247 is 742080981.

189080247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 189080247 - 2¹⁰ = 189079223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189080207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31513372 + ... + 31513377.

It is an arithmetic number, because the mean of its divisors is an integer number (63026750).

Almost surely, 2^189080247 is an apocalyptic number.

189080247 is a deficient number, since it is larger than the sum of its proper divisors (63026753).

189080247 is an equidigital number, since it uses as much as digits as its factorization.

189080247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63026752.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 189080247 is about 13750.6453303109. The cubic root of 189080247 is about 573.9605639682.

The spelling of 189080247 in words is "one hundred eighty-nine million, eighty thousand, two hundred forty-seven".