381912948 has 96 divisors (see below), whose sum is σ = 1041600000. Its totient is φ = 120839040.

The previous prime is 381912917. The next prime is 381913013. The reversal of 381912948 is 849219183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190053 + ... + 192051.

It is an arithmetic number, because the mean of its divisors is an integer number (10850000).

Almost surely, 2^381912948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381912948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520800000).

381912948 is an abundant number, since it is smaller than the sum of its proper divisors (659687052).

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

381912948 is a wasteful number, since it uses less digits than its factorization.

381912948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2094 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 381912948 is about 19542.5931749090. The cubic root of 381912948 is about 725.5290299667.

The spelling of 381912948 in words is "three hundred eighty-one million, nine hundred twelve thousand, nine hundred forty-eight".