381496927 has 16 divisors (see below), whose sum is σ = 441568512. Its totient is φ = 322842240.

The previous prime is 381496909. The next prime is 381496937. The reversal of 381496927 is 729694183.

It is not a de Polignac number, because 381496927 - 2⁷ = 381496799 is a prime.

It is a super-3 number, since 3×381496927³ (a number of 27 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381496937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242052 + ... + 243622.

It is an arithmetic number, because the mean of its divisors is an integer number (27598032).

Almost surely, 2^381496927 is an apocalyptic number.

381496927 is a deficient number, since it is larger than the sum of its proper divisors (60071585).

381496927 is a wasteful number, since it uses less digits than its factorization.

381496927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its digits is 653184, while the sum is 49.

The square root of 381496927 is about 19531.9463187876. The cubic root of 381496927 is about 725.2654926190.

The spelling of 381496927 in words is "three hundred eighty-one million, four hundred ninety-six thousand, nine hundred twenty-seven".