378338286 has 32 divisors (see below), whose sum is σ = 765809568. Its totient is φ = 124600320.

The previous prime is 378338273. The next prime is 378338299. The reversal of 378338286 is 682833873.

It is an interprime number because it is at equal distance from previous prime (378338273) and next prime (378338299).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180766 + ... + 182846.

It is an arithmetic number, because the mean of its divisors is an integer number (23931549).

Almost surely, 2^378338286 is an apocalyptic number.

378338286 is an abundant number, since it is smaller than the sum of its proper divisors (387471282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378338286 is a wasteful number, since it uses less digits than its factorization.

378338286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 1161216, while the sum is 48.

The square root of 378338286 is about 19450.9199268312. The cubic root of 378338286 is about 723.2583073710.

The spelling of 378338286 in words is "three hundred seventy-eight million, three hundred thirty-eight thousand, two hundred eighty-six".