378239424 has 28 divisors (see below), whose sum is σ = 1000758984. Its totient is φ = 126079744.

The previous prime is 378239423. The next prime is 378239437. The reversal of 378239424 is 424932873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378239423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984807 + ... + 985190.

Almost surely, 2^378239424 is an apocalyptic number.

It is an amenable number.

378239424 is an abundant number, since it is smaller than the sum of its proper divisors (622519560).

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

378239424 is a wasteful number, since it uses less digits than its factorization.

378239424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970012 (or 1970002 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 378239424 is about 19448.3784414023. The cubic root of 378239424 is about 723.1953046788.

The spelling of 378239424 in words is "three hundred seventy-eight million, two hundred thirty-nine thousand, four hundred twenty-four".