381836038 has 24 divisors (see below), whose sum is σ = 587304432. Its totient is φ = 186165504.

The previous prime is 381836033. The next prime is 381836051. The reversal of 381836038 is 830638183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381836033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938156 + ... + 1938352.

It is an arithmetic number, because the mean of its divisors is an integer number (24471018).

Almost surely, 2^381836038 is an apocalyptic number.

381836038 is a deficient number, since it is larger than the sum of its proper divisors (205468394).

381836038 is a wasteful number, since it uses less digits than its factorization.

381836038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 381836038 is about 19540.6253226451. The cubic root of 381836038 is about 725.4803241171.

The spelling of 381836038 in words is "three hundred eighty-one million, eight hundred thirty-six thousand, thirty-eight".