329920538 has 8 divisors (see below), whose sum is σ = 510844800. Its totient is φ = 159638940.

The previous prime is 329920489. The next prime is 329920543. The reversal of 329920538 is 835029923.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×329920538² = 217695122788418888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 329920495 and 329920504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660588 + ... + 2660711.

It is an arithmetic number, because the mean of its divisors is an integer number (63855600).

Almost surely, 2^329920538 is an apocalyptic number.

329920538 is a deficient number, since it is larger than the sum of its proper divisors (180924262).

329920538 is a wasteful number, since it uses less digits than its factorization.

329920538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321332.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 329920538 is about 18163.7148733402. The cubic root of 329920538 is about 690.9868522808.

The spelling of 329920538 in words is "three hundred twenty-nine million, nine hundred twenty thousand, five hundred thirty-eight".