189459316 has 6 divisors (see below), whose sum is σ = 331553810. Its totient is φ = 94729656.

The previous prime is 189459313. The next prime is 189459323. The reversal of 189459316 is 613954981.

It can be written as a sum of positive squares in only one way, i.e., 186431716 + 3027600 = 13654^2 + 1740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189459313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23682411 + ... + 23682418.

Almost surely, 2^189459316 is an apocalyptic number.

It is an amenable number.

189459316 is a deficient number, since it is larger than the sum of its proper divisors (142094494).

189459316 is a wasteful number, since it uses less digits than its factorization.

189459316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47364833 (or 47364831 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 189459316 is about 13764.4221091915. The cubic root of 189459316 is about 574.3438675772.

The spelling of 189459316 in words is "one hundred eighty-nine million, four hundred fifty-nine thousand, three hundred sixteen".