378981696 has 112 divisors (see below), whose sum is σ = 1060996608. Its totient is φ = 119193600.

The previous prime is 378981689. The next prime is 378981751. The reversal of 378981696 is 696189873.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 243256 + ... + 244808.

It is an arithmetic number, because the mean of its divisors is an integer number (9473184).

Almost surely, 2^378981696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378981696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530498304).

378981696 is an abundant number, since it is smaller than the sum of its proper divisors (682014912).

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

378981696 is a wasteful number, since it uses less digits than its factorization.

378981696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1630 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 378981696 is about 19467.4522215928. The cubic root of 378981696 is about 723.6680712412.

The spelling of 378981696 in words is "three hundred seventy-eight million, nine hundred eighty-one thousand, six hundred ninety-six".