381375896 has 32 divisors (see below), whose sum is σ = 784788480. Its totient is φ = 172308000.

The previous prime is 381375887. The next prime is 381375971. The reversal of 381375896 is 698573183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 27671.

It is an arithmetic number, because the mean of its divisors is an integer number (24524640).

Almost surely, 2^381375896 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 381375896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392394240).

381375896 is an abundant number, since it is smaller than the sum of its proper divisors (403412584).

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

381375896 is a wasteful number, since it uses less digits than its factorization.

381375896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26135 (or 26131 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 381375896 is about 19528.8477898723. The cubic root of 381375896 is about 725.1887869838.

The spelling of 381375896 in words is "three hundred eighty-one million, three hundred seventy-five thousand, eight hundred ninety-six".