320772246 has 16 divisors (see below), whose sum is σ = 646161600. Its totient is φ = 106154568.

The previous prime is 320772229. The next prime is 320772247. The reversal of 320772246 is 642277023.

320772246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320772247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191476 + ... + 193143.

It is an arithmetic number, because the mean of its divisors is an integer number (40385100).

Almost surely, 2^320772246 is an apocalyptic number.

320772246 is an abundant number, since it is smaller than the sum of its proper divisors (325389354).

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

320772246 is a wasteful number, since it uses less digits than its factorization.

320772246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384763.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 320772246 is about 17910.1157450196. The cubic root of 320772246 is about 684.5401541909.

The spelling of 320772246 in words is "three hundred twenty million, seven hundred seventy-two thousand, two hundred forty-six".