378812844 has 36 divisors (see below), whose sum is σ = 959756616. Its totient is φ = 125980608.

The previous prime is 378812813. The next prime is 378812881. The reversal of 378812844 is 448218873.

378812844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 378812844.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4072 + ... + 27824.

It is an arithmetic number, because the mean of its divisors is an integer number (26659906).

Almost surely, 2^378812844 is an apocalyptic number.

It is an amenable number.

378812844 is an abundant number, since it is smaller than the sum of its proper divisors (580943772).

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

378812844 is a wasteful number, since it uses less digits than its factorization.

378812844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24206 (or 24201 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 378812844 is about 19463.1149613827. The cubic root of 378812844 is about 723.5605806031.

The spelling of 378812844 in words is "three hundred seventy-eight million, eight hundred twelve thousand, eight hundred forty-four".