320602641 has 32 divisors (see below), whose sum is σ = 446614272. Its totient is φ = 204456960.

The previous prime is 320602631. The next prime is 320602649. The reversal of 320602641 is 146206023.

It is not a de Polignac number, because 320602641 - 2⁶ = 320602577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320602649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1375861 + ... + 1376093.

It is an arithmetic number, because the mean of its divisors is an integer number (13956696).

Almost surely, 2^320602641 is an apocalyptic number.

It is an amenable number.

320602641 is a deficient number, since it is larger than the sum of its proper divisors (126011631).

320602641 is a wasteful number, since it uses less digits than its factorization.

320602641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 320602641 is about 17905.3802249491. The cubic root of 320602641 is about 684.4194850840.

Adding to 320602641 its reverse (146206023), we get a palindrome (466808664).

The spelling of 320602641 in words is "three hundred twenty million, six hundred two thousand, six hundred forty-one".