381197927 has 8 divisors (see below), whose sum is σ = 416383632. Its totient is φ = 346100800.

The previous prime is 381197923. The next prime is 381197941. The reversal of 381197927 is 729791183.

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 381197927 - 2² = 381197923 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 (381197923) 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, 12974 + ... + 30507.

It is an arithmetic number, because the mean of its divisors is an integer number (52047954).

Almost surely, 2^381197927 is an apocalyptic number.

381197927 is a deficient number, since it is larger than the sum of its proper divisors (35185705).

381197927 is a wasteful number, since it uses less digits than its factorization.

381197927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44289.

The product of its digits is 190512, while the sum is 47.

The square root of 381197927 is about 19524.2906913414. The cubic root of 381197927 is about 725.0759663562.

The spelling of 381197927 in words is "three hundred eighty-one million, one hundred ninety-seven thousand, nine hundred twenty-seven".