189483649 has 8 divisors (see below), whose sum is σ = 204899328. Its totient is φ = 174542400.

The previous prime is 189483647. The next prime is 189483653. The reversal of 189483649 is 946384981.

It is a happy number.

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

It is not a de Polignac number, because 189483649 - 2¹ = 189483647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189483596 and 189483605.

It is not an unprimeable number, because it can be changed into a prime (189483643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117777 + ... + 119374.

It is an arithmetic number, because the mean of its divisors is an integer number (25612416).

Almost surely, 2^189483649 is an apocalyptic number.

It is an amenable number.

189483649 is a deficient number, since it is larger than the sum of its proper divisors (15415679).

189483649 is a wasteful number, since it uses less digits than its factorization.

189483649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237215.

The product of its digits is 1492992, while the sum is 52.

The square root of 189483649 is about 13765.3059900607. The cubic root of 189483649 is about 574.3684549334.

The spelling of 189483649 in words is "one hundred eighty-nine million, four hundred eighty-three thousand, six hundred forty-nine".