381486085 has 8 divisors (see below), whose sum is σ = 481877280. Its totient is φ = 289126224.

The previous prime is 381486071. The next prime is 381486089. The reversal of 381486085 is 580684183.

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 381486085 - 2¹⁹ = 380961797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381486089) 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, 2007727 + ... + 2007916.

It is an arithmetic number, because the mean of its divisors is an integer number (60234660).

Almost surely, 2^381486085 is an apocalyptic number.

It is an amenable number.

381486085 is a deficient number, since it is larger than the sum of its proper divisors (100391195).

381486085 is a wasteful number, since it uses less digits than its factorization.

381486085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015667.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 381486085 is about 19531.6687715105. The cubic root of 381486085 is about 725.2586219625.

The spelling of 381486085 in words is "three hundred eighty-one million, four hundred eighty-six thousand, eighty-five".