320241685 has 8 divisors (see below), whose sum is σ = 384393600. Its totient is φ = 256124304.

The previous prime is 320241659. The next prime is 320241689. The reversal of 320241685 is 586142023.

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 320241685 - 2⁵ = 320241653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320241689) 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, 21064 + ... + 32926.

It is an arithmetic number, because the mean of its divisors is an integer number (48049200).

Almost surely, 2^320241685 is an apocalyptic number.

It is an amenable number.

320241685 is a deficient number, since it is larger than the sum of its proper divisors (64151915).

320241685 is a wasteful number, since it uses less digits than its factorization.

320241685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17267.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 320241685 is about 17895.2978460824. The cubic root of 320241685 is about 684.1625334774.

The spelling of 320241685 in words is "three hundred twenty million, two hundred forty-one thousand, six hundred eighty-five".