378243524 has 24 divisors (see below), whose sum is σ = 687837696. Its totient is φ = 181800000.

The previous prime is 378243521. The next prime is 378243527. The reversal of 378243524 is 425342873.

It is an interprime number because it is at equal distance from previous prime (378243521) and next prime (378243527).

It is not an unprimeable number, because it can be changed into a prime (378243521) 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 7 ways as a sum of consecutive naturals, for example, 8624 + ... + 28824.

It is an arithmetic number, because the mean of its divisors is an integer number (28659904).

Almost surely, 2^378243524 is an apocalyptic number.

It is an amenable number.

378243524 is a deficient number, since it is larger than the sum of its proper divisors (309594172).

378243524 is a wasteful number, since it uses less digits than its factorization.

378243524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20387 (or 20385 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 378243524 is about 19448.4838483621. The cubic root of 378243524 is about 723.1979177416.

The spelling of 378243524 in words is "three hundred seventy-eight million, two hundred forty-three thousand, five hundred twenty-four".