320606416 has 20 divisors (see below), whose sum is σ = 668958052. Its totient is φ = 147972096.

The previous prime is 320606357. The next prime is 320606449. The reversal of 320606416 is 614606023.

It can be written as a sum of positive squares in 2 ways, for example, as 213276816 + 107329600 = 14604^2 + 10360^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770481 + ... + 770896.

Almost surely, 2^320606416 is an apocalyptic number.

It is an amenable number.

320606416 is an abundant number, since it is smaller than the sum of its proper divisors (348351636).

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

320606416 is a wasteful number, since it uses less digits than its factorization.

320606416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541398 (or 1541392 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 320606416 is about 17905.4856398814. The cubic root of 320606416 is about 684.4221713516.

The spelling of 320606416 in words is "three hundred twenty million, six hundred six thousand, four hundred sixteen".