378744392 has 16 divisors (see below), whose sum is σ = 764772540. Its totient is φ = 174805056.

The previous prime is 378744349. The next prime is 378744397. The reversal of 378744392 is 293447873.

It can be written as a sum of positive squares in 2 ways, for example, as 327392836 + 51351556 = 18094^2 + 7166^2 .

It is not an unprimeable number, because it can be changed into a prime (378744397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1820783 + ... + 1820990.

Almost surely, 2^378744392 is an apocalyptic number.

It is an amenable number.

378744392 is an abundant number, since it is smaller than the sum of its proper divisors (386028148).

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

378744392 is a wasteful number, since it uses less digits than its factorization.

378744392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641792 (or 3641788 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 378744392 is about 19461.3563761625. The cubic root of 378744392 is about 723.5169951816.

The spelling of 378744392 in words is "three hundred seventy-eight million, seven hundred forty-four thousand, three hundred ninety-two".