320697468 has 240 divisors, whose sum is σ = 1052990400. Its totient is φ = 82861056.

The previous prime is 320697467. The next prime is 320697491. The reversal of 320697468 is 864796023.

It is a super-2 number, since 2×320697468² = 205693731963222048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320697467) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2152258 + ... + 2152406.

It is an arithmetic number, because the mean of its divisors is an integer number (4387460).

Almost surely, 2^320697468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320697468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526495200).

320697468 is an abundant number, since it is smaller than the sum of its proper divisors (732292932).

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

320697468 is a wasteful number, since it uses less digits than its factorization.

320697468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 320697468 is about 17908.0280321425. The cubic root of 320697468 is about 684.4869570264.

The spelling of 320697468 in words is "three hundred twenty million, six hundred ninety-seven thousand, four hundred sixty-eight".