320614906 has 4 divisors (see below), whose sum is σ = 480922362. Its totient is φ = 160307452.

The previous prime is 320614901. The next prime is 320614991. The reversal of 320614906 is 609416023.

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., 213306025 + 107308881 = 14605^2 + 10359^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (320614901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80153725 + ... + 80153728.

Almost surely, 2^320614906 is an apocalyptic number.

320614906 is a deficient number, since it is larger than the sum of its proper divisors (160307456).

320614906 is a wasteful number, since it uses less digits than its factorization.

320614906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160307455.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 320614906 is about 17905.7227164949. The cubic root of 320614906 is about 684.4282127080.

The spelling of 320614906 in words is "three hundred twenty million, six hundred fourteen thousand, nine hundred six".