381335304 has 32 divisors (see below), whose sum is σ = 1089529920. Its totient is φ = 108952896.

The previous prime is 381335293. The next prime is 381335323. The reversal of 381335304 is 403533183.

It is a super-2 number, since 2×381335304² = 290833228153544832, which contains 22 as substring.

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, 1134759 + ... + 1135094.

It is an arithmetic number, because the mean of its divisors is an integer number (34047810).

Almost surely, 2^381335304 is an apocalyptic number.

It is an amenable number.

381335304 is an abundant number, since it is smaller than the sum of its proper divisors (708194616).

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

381335304 is a wasteful number, since it uses less digits than its factorization.

381335304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269869 (or 2269865 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 381335304 is about 19527.8084791919. The cubic root of 381335304 is about 725.1630574189.

Adding to 381335304 its reverse (403533183), we get a palindrome (784868487).

The spelling of 381335304 in words is "three hundred eighty-one million, three hundred thirty-five thousand, three hundred four".