329897464 has 72 divisors (see below), whose sum is σ = 705772440. Its totient is φ = 144226368.

The previous prime is 329897413. The next prime is 329897479. The reversal of 329897464 is 464798923.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3202837 + ... + 3202939.

It is an arithmetic number, because the mean of its divisors is an integer number (9802395).

Almost surely, 2^329897464 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 329897464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352886220).

329897464 is an abundant number, since it is smaller than the sum of its proper divisors (375874976).

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

329897464 is a wasteful number, since it uses less digits than its factorization.

329897464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 141 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 329897464 is about 18163.0796948095. The cubic root of 329897464 is about 690.9707431469.

The spelling of 329897464 in words is "three hundred twenty-nine million, eight hundred ninety-seven thousand, four hundred sixty-four".