378683492 has 12 divisors (see below), whose sum is σ = 722941296. Its totient is φ = 172128840.

The previous prime is 378683491. The next prime is 378683521. The reversal of 378683492 is 294386873.

378683492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×378683492² = 286802374226628128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378683492.

It is not an unprimeable number, because it can be changed into a prime (378683491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4303178 + ... + 4303265.

It is an arithmetic number, because the mean of its divisors is an integer number (60245108).

Almost surely, 2^378683492 is an apocalyptic number.

It is an amenable number.

378683492 is a deficient number, since it is larger than the sum of its proper divisors (344257804).

378683492 is a wasteful number, since it uses less digits than its factorization.

378683492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606458 (or 8606456 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 378683492 is about 19459.7916741161. The cubic root of 378683492 is about 723.4782139280.

It can be divided in two parts, 3786 and 83492, that added together give a palindrome (87278).

The spelling of 378683492 in words is "three hundred seventy-eight million, six hundred eighty-three thousand, four hundred ninety-two".