329365945 has 4 divisors (see below), whose sum is σ = 395239140. Its totient is φ = 263492752.

The previous prime is 329365943. The next prime is 329365951. The reversal of 329365945 is 549563923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156075049 + 173290896 = 12493^2 + 13164^2 .

It is a cyclic number.

It is not a de Polignac number, because 329365945 - 2¹ = 329365943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 329365895 and 329365904.

It is not an unprimeable number, because it can be changed into a prime (329365943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32936590 + ... + 32936599.

It is an arithmetic number, because the mean of its divisors is an integer number (98809785).

Almost surely, 2^329365945 is an apocalyptic number.

It is an amenable number.

329365945 is a deficient number, since it is larger than the sum of its proper divisors (65873195).

329365945 is an equidigital number, since it uses as much as digits as its factorization.

329365945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65873194.

The product of its digits is 874800, while the sum is 46.

The square root of 329365945 is about 18148.4419441450. The cubic root of 329365945 is about 690.5994545536.

The spelling of 329365945 in words is "three hundred twenty-nine million, three hundred sixty-five thousand, nine hundred forty-five".