378979836 has 24 divisors (see below), whose sum is σ = 912812544. Its totient is φ = 122251440.

The previous prime is 378979819. The next prime is 378979841. The reversal of 378979836 is 638979873.

378979836 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

378979836 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 378979836.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 509010 + ... + 509753.

It is an arithmetic number, because the mean of its divisors is an integer number (38033856).

Almost surely, 2^378979836 is an apocalyptic number.

It is an amenable number.

378979836 is an abundant number, since it is smaller than the sum of its proper divisors (533832708).

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

378979836 is a wasteful number, since it uses less digits than its factorization.

378979836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018801 (or 1018799 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 378979836 is about 19467.4044494894. The cubic root of 378979836 is about 723.6668873451. Note that the first 3 decimals are identical.

The spelling of 378979836 in words is "three hundred seventy-eight million, nine hundred seventy-nine thousand, eight hundred thirty-six".