381744884 has 48 divisors (see below), whose sum is σ = 724416000. Its totient is φ = 175434336.

The previous prime is 381744871. The next prime is 381744899. The reversal of 381744884 is 488447183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650039 + ... + 650625.

It is an arithmetic number, because the mean of its divisors is an integer number (15092000).

Almost surely, 2^381744884 is an apocalyptic number.

It is an amenable number.

381744884 is a deficient number, since it is larger than the sum of its proper divisors (342671116).

381744884 is a wasteful number, since it uses less digits than its factorization.

381744884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 850 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 381744884 is about 19538.2927606278. The cubic root of 381744884 is about 725.4225893043.

The spelling of 381744884 in words is "three hundred eighty-one million, seven hundred forty-four thousand, eight hundred eighty-four".