320941247 has 6 divisors (see below), whose sum is σ = 352770264. Its totient is φ = 291764660.

The previous prime is 320941237. The next prime is 320941259. The reversal of 320941247 is 742149023.

It is not a de Polignac number, because 320941247 - 2¹⁸ = 320679103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320941237) 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, 1326083 + ... + 1326324.

It is an arithmetic number, because the mean of its divisors is an integer number (58795044).

Almost surely, 2^320941247 is an apocalyptic number.

320941247 is a deficient number, since it is larger than the sum of its proper divisors (31829017).

320941247 is a wasteful number, since it uses less digits than its factorization.

320941247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652429 (or 2652418 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 320941247 is about 17914.8331557958. The cubic root of 320941247 is about 684.6603512684.

The spelling of 320941247 in words is "three hundred twenty million, nine hundred forty-one thousand, two hundred forty-seven".