329430849 has 24 divisors (see below), whose sum is σ = 493100160. Its totient is φ = 195396960.

The previous prime is 329430847. The next prime is 329430877. The reversal of 329430849 is 948034923.

It is a happy number.

It is not a de Polignac number, because 329430849 - 2¹ = 329430847 is a prime.

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 329430849.

It is not an unprimeable number, because it can be changed into a prime (329430847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7407 + ... + 26715.

It is an arithmetic number, because the mean of its divisors is an integer number (20545840).

Almost surely, 2^329430849 is an apocalyptic number.

It is an amenable number.

329430849 is a deficient number, since it is larger than the sum of its proper divisors (163669311).

329430849 is a wasteful number, since it uses less digits than its factorization.

329430849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19381 (or 19370 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 329430849 is about 18150.2299985427. The cubic root of 329430849 is about 690.6448141541.

It can be divided in two parts, 3294 and 30849, that added together give a palindrome (34143).

The spelling of 329430849 in words is "three hundred twenty-nine million, four hundred thirty thousand, eight hundred forty-nine".