381127896 has 128 divisors (see below), whose sum is σ = 1128038400. Its totient is φ = 118817280.

The previous prime is 381127891. The next prime is 381127907. The reversal of 381127896 is 698721183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381127891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994921 + ... + 995303.

It is an arithmetic number, because the mean of its divisors is an integer number (8812800).

Almost surely, 2^381127896 is an apocalyptic number.

381127896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381127896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564019200).

381127896 is an abundant number, since it is smaller than the sum of its proper divisors (746910504).

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

381127896 is a wasteful number, since it uses less digits than its factorization.

381127896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 676 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 381127896 is about 19522.4971763348. The cubic root of 381127896 is about 725.0315616858.

The spelling of 381127896 in words is "three hundred eighty-one million, one hundred twenty-seven thousand, eight hundred ninety-six".