320799653 has 8 divisors (see below), whose sum is σ = 346291200. Its totient is φ = 296270128.

The previous prime is 320799643. The next prime is 320799659. The reversal of 320799653 is 356997023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320799653 - 2¹² = 320795557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320799659) 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, 239813 + ... + 241146.

It is an arithmetic number, because the mean of its divisors is an integer number (43286400).

Almost surely, 2^320799653 is an apocalyptic number.

It is an amenable number.

320799653 is a deficient number, since it is larger than the sum of its proper divisors (25491547).

320799653 is a wasteful number, since it uses less digits than its factorization.

320799653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481011.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 320799653 is about 17910.8808549440. The cubic root of 320799653 is about 684.5596494953.

The spelling of 320799653 in words is "three hundred twenty million, seven hundred ninety-nine thousand, six hundred fifty-three".