378744438 has 16 divisors (see below), whose sum is σ = 766616256. Its totient is φ = 124726920.

The previous prime is 378744403. The next prime is 378744439. The reversal of 378744438 is 834447873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378744439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379768 + ... + 380763.

It is an arithmetic number, because the mean of its divisors is an integer number (47913516).

Almost surely, 2^378744438 is an apocalyptic number.

378744438 is an abundant number, since it is smaller than the sum of its proper divisors (387871818).

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

378744438 is a wasteful number, since it uses less digits than its factorization.

378744438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760619.

The product of its digits is 1806336, while the sum is 48.

The square root of 378744438 is about 19461.3575579917. The cubic root of 378744438 is about 723.5170244729.

The spelling of 378744438 in words is "three hundred seventy-eight million, seven hundred forty-four thousand, four hundred thirty-eight".