378338339 has 16 divisors (see below), whose sum is σ = 402776064. Its totient is φ = 354631200.

The previous prime is 378338309. The next prime is 378338369. The reversal of 378338339 is 933833873.

It is an interprime number because it is at equal distance from previous prime (378338309) and next prime (378338369).

It is a cyclic number.

It is not a de Polignac number, because 378338339 - 2²⁰ = 377289763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378338293 and 378338302.

It is not an unprimeable number, because it can be changed into a prime (378338309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311297 + ... + 312509.

It is an arithmetic number, because the mean of its divisors is an integer number (25173504).

Almost surely, 2^378338339 is an apocalyptic number.

378338339 is a deficient number, since it is larger than the sum of its proper divisors (24437725).

378338339 is a wasteful number, since it uses less digits than its factorization.

378338339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498.

The product of its digits is 979776, while the sum is 47.

The square root of 378338339 is about 19450.9212892346. The cubic root of 378338339 is about 723.2583411439.

The spelling of 378338339 in words is "three hundred seventy-eight million, three hundred thirty-eight thousand, three hundred thirty-nine".