381725688 has 32 divisors (see below), whose sum is σ = 955301760. Its totient is φ = 127110240.

The previous prime is 381725677. The next prime is 381725689. The reversal of 381725688 is 886527183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381725689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17031 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (29853180).

Almost surely, 2^381725688 is an apocalyptic number.

It is an amenable number.

381725688 is an abundant number, since it is smaller than the sum of its proper divisors (573576072).

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

381725688 is a wasteful number, since it uses less digits than its factorization.

381725688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467 (or 16463 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 381725688 is about 19537.8015139882. The cubic root of 381725688 is about 725.4104298352.

The spelling of 381725688 in words is "three hundred eighty-one million, seven hundred twenty-five thousand, six hundred eighty-eight".