329701086 has 144 divisors (see below), whose sum is σ = 863291520. Its totient is φ = 90118080.

The previous prime is 329701079. The next prime is 329701109. The reversal of 329701086 is 680107923.

It is a super-2 number, since 2×329701086² = 217405612219158792, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 329701086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1974175 + ... + 1974341.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080).

Almost surely, 2^329701086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329701086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431645760).

329701086 is an abundant number, since it is smaller than the sum of its proper divisors (533590434).

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

329701086 is a wasteful number, since it uses less digits than its factorization.

329701086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 329701086 is about 18157.6729235880. The cubic root of 329701086 is about 690.8336112593.

The spelling of 329701086 in words is "three hundred twenty-nine million, seven hundred one thousand, eighty-six".