381900727 has 8 divisors (see below), whose sum is σ = 411963776. Its totient is φ = 351935712.

The previous prime is 381900719. The next prime is 381900823. The reversal of 381900727 is 727009183.

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 381900727 - 2³ = 381900719 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 (381900707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16308 + ... + 32089.

It is an arithmetic number, because the mean of its divisors is an integer number (51495472).

Almost surely, 2^381900727 is an apocalyptic number.

381900727 is a deficient number, since it is larger than the sum of its proper divisors (30063049).

381900727 is a wasteful number, since it uses less digits than its factorization.

381900727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49017.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 381900727 is about 19542.2804964006. The cubic root of 381900727 is about 725.5212910436.

The spelling of 381900727 in words is "three hundred eighty-one million, nine hundred thousand, seven hundred twenty-seven".