378739846 has 8 divisors (see below), whose sum is σ = 568548360. Its totient is φ = 189223728.

The previous prime is 378739831. The next prime is 378739847. The reversal of 378739846 is 648937873.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378739847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69831 + ... + 75058.

It is an arithmetic number, because the mean of its divisors is an integer number (71068545).

Almost surely, 2^378739846 is an apocalyptic number.

378739846 is a deficient number, since it is larger than the sum of its proper divisors (189808514).

378739846 is a wasteful number, since it uses less digits than its factorization.

378739846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146198.

The product of its digits is 6096384, while the sum is 55.

The square root of 378739846 is about 19461.2395802528. The cubic root of 378739846 is about 723.5141004224.

The spelling of 378739846 in words is "three hundred seventy-eight million, seven hundred thirty-nine thousand, eight hundred forty-six".