329878413 has 40 divisors (see below), whose sum is σ = 514042848. Its totient is φ = 210633696.

The previous prime is 329878403. The next prime is 329878427. The reversal of 329878413 is 314878923.

It is not a de Polignac number, because 329878413 - 2¹⁸ = 329616269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329878403) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183706 + ... + 185492.

Almost surely, 2^329878413 is an apocalyptic number.

It is an amenable number.

329878413 is a deficient number, since it is larger than the sum of its proper divisors (184164435).

329878413 is a wasteful number, since it uses less digits than its factorization.

329878413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1886 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 329878413 is about 18162.5552442381. Note that the first 3 decimals coincide. The cubic root of 329878413 is about 690.9574421080.

The spelling of 329878413 in words is "three hundred twenty-nine million, eight hundred seventy-eight thousand, four hundred thirteen".