314432666 has 4 divisors (see below), whose sum is σ = 471649002. Its totient is φ = 157216332.

The previous prime is 314432633. The next prime is 314432669. The reversal of 314432666 is 666234413.

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

It can be written as a sum of positive squares in only one way, i.e., 190578025 + 123854641 = 13805^2 + 11129^2 .

It is not an unprimeable number, because it can be changed into a prime (314432669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78608165 + ... + 78608168.

Almost surely, 2^314432666 is an apocalyptic number.

314432666 is a deficient number, since it is larger than the sum of its proper divisors (157216336).

314432666 is a wasteful number, since it uses less digits than its factorization.

314432666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157216335.

The product of its digits is 62208, while the sum is 35.

The square root of 314432666 is about 17732.2493215046. The cubic root of 314432666 is about 680.0004801035. Note that the first 3 decimals are identical.

The spelling of 314432666 in words is "three hundred fourteen million, four hundred thirty-two thousand, six hundred sixty-six".