189478314 has 12 divisors (see below), whose sum is σ = 410536386. Its totient is φ = 63159432.

The previous prime is 189478313. The next prime is 189478321. The reversal of 189478314 is 413874981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 144360225 + 45118089 = 12015^2 + 6717^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189478314.

It is not an unprimeable number, because it can be changed into a prime (189478313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5263269 + ... + 5263304.

Almost surely, 2^189478314 is an apocalyptic number.

189478314 is an abundant number, since it is smaller than the sum of its proper divisors (221058072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189478314 is a wasteful number, since it uses less digits than its factorization.

189478314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526581 (or 10526578 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 189478314 is about 13765.1122044101. The cubic root of 189478314 is about 574.3630643461.

It can be divided in two parts, 18947 and 8314, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 189478314 in words is "one hundred eighty-nine million, four hundred seventy-eight thousand, three hundred fourteen".