378690444 has 144 divisors (see below), whose sum is σ = 1131661440. Its totient is φ = 108591840.

The previous prime is 378690427. The next prime is 378690457. The reversal of 378690444 is 444096873.

378690444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 378690444.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428427 + ... + 429309.

It is an arithmetic number, because the mean of its divisors is an integer number (7858760).

Almost surely, 2^378690444 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 378690444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565830720).

378690444 is an abundant number, since it is smaller than the sum of its proper divisors (752970996).

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

378690444 is a wasteful number, since it uses less digits than its factorization.

378690444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 378690444 is about 19459.9702980246. The cubic root of 378690444 is about 723.4826411871.

The spelling of 378690444 in words is "three hundred seventy-eight million, six hundred ninety thousand, four hundred forty-four".