381016200 has 96 divisors (see below), whose sum is σ = 1197468000. Its totient is φ = 100200960.

The previous prime is 381016199. The next prime is 381016217. The reversal of 381016200 is 2610183.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39451 + ... + 48149.

It is an arithmetic number, because the mean of its divisors is an integer number (12473625).

Almost surely, 2^381016200 is an apocalyptic number.

381016200 is a gapful number since it is divisible by the number (30) 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 381016200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598734000).

381016200 is an abundant number, since it is smaller than the sum of its proper divisors (816451800).

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

381016200 is a wasteful number, since it uses less digits than its factorization.

381016200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8791 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 381016200 is about 19519.6362671029. The cubic root of 381016200 is about 724.9607271632.

Adding to 381016200 its reverse (2610183), we get a palindrome (383626383).

The spelling of 381016200 in words is "three hundred eighty-one million, sixteen thousand, two hundred".