381364903 has 8 divisors (see below), whose sum is σ = 411228720. Its totient is φ = 352480320.

The previous prime is 381364901. The next prime is 381364939. The reversal of 381364903 is 309463183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381364903 - 2¹ = 381364901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381364901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244000 + ... + 245557.

It is an arithmetic number, because the mean of its divisors is an integer number (51403590).

Almost surely, 2^381364903 is an apocalyptic number.

381364903 is a deficient number, since it is larger than the sum of its proper divisors (29863817).

381364903 is a wasteful number, since it uses less digits than its factorization.

381364903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489617.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 381364903 is about 19528.5663324270. The cubic root of 381364903 is about 725.1818191628.

The spelling of 381364903 in words is "three hundred eighty-one million, three hundred sixty-four thousand, nine hundred three".