378329339 has 4 divisors (see below), whose sum is σ = 400584024. Its totient is φ = 356074656.

The previous prime is 378329333. The next prime is 378329353. The reversal of 378329339 is 933923873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933923873 = 11483 ⋅81331.

It is not a de Polignac number, because 378329339 - 2²⁰ = 377280763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378329293 and 378329302.

It is not an unprimeable number, because it can be changed into a prime (378329333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11127317 + ... + 11127350.

It is an arithmetic number, because the mean of its divisors is an integer number (100146006).

Almost surely, 2^378329339 is an apocalyptic number.

378329339 is a deficient number, since it is larger than the sum of its proper divisors (22254685).

378329339 is a wasteful number, since it uses less digits than its factorization.

378329339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22254684.

The product of its digits is 734832, while the sum is 47.

The square root of 378329339 is about 19450.6899363493. The cubic root of 378329339 is about 723.2526060861.

The spelling of 378329339 in words is "three hundred seventy-eight million, three hundred twenty-nine thousand, three hundred thirty-nine".