381730600 has 48 divisors (see below), whose sum is σ = 890925120. Its totient is φ = 152107200.

The previous prime is 381730579. The next prime is 381730603. The reversal of 381730600 is 6037183.

It is not an unprimeable number, because it can be changed into a prime (381730603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50679 + ... + 57721.

It is an arithmetic number, because the mean of its divisors is an integer number (18560940).

Almost surely, 2^381730600 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 381730600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445462560).

381730600 is an abundant number, since it is smaller than the sum of its proper divisors (509194520).

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

381730600 is a wasteful number, since it uses less digits than its factorization.

381730600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 381730600 is about 19537.9272186176. The cubic root of 381730600 is about 725.4135413197.

Adding to 381730600 its reverse (6037183), we get a palindrome (387767783).

The spelling of 381730600 in words is "three hundred eighty-one million, seven hundred thirty thousand, six hundred".