381203744 has 24 divisors (see below), whose sum is σ = 750960000. Its totient is φ = 190483776.

The previous prime is 381203741. The next prime is 381203749. The reversal of 381203744 is 447302183.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 381203744.

It is not an unprimeable number, because it can be changed into a prime (381203741) 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, 73757 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (31290000).

Almost surely, 2^381203744 is an apocalyptic number.

It is an amenable number.

381203744 is a deficient number, since it is larger than the sum of its proper divisors (369756256).

381203744 is a wasteful number, since it uses less digits than its factorization.

381203744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392 (or 7384 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 381203744 is about 19524.4396590530. The cubic root of 381203744 is about 725.0796545062.

The spelling of 381203744 in words is "three hundred eighty-one million, two hundred three thousand, seven hundred forty-four".