380535685 has 4 divisors (see below), whose sum is σ = 456642828. Its totient is φ = 304428544.

The previous prime is 380535643. The next prime is 380535689. The reversal of 380535685 is 586535083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586535083 = 6359 ⋅92237.

It can be written as a sum of positive squares in 2 ways, for example, as 112656996 + 267878689 = 10614^2 + 16367^2 .

It is a cyclic number.

It is not a de Polignac number, because 380535685 - 2¹³ = 380527493 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 (380535689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38053564 + ... + 38053573.

It is an arithmetic number, because the mean of its divisors is an integer number (114160707).

Almost surely, 2^380535685 is an apocalyptic number.

It is an amenable number.

380535685 is a deficient number, since it is larger than the sum of its proper divisors (76107143).

380535685 is an equidigital number, since it uses as much as digits as its factorization.

380535685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76107142.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 380535685 is about 19507.3238810453. The cubic root of 380535685 is about 724.6558398226.

The spelling of 380535685 in words is "three hundred eighty million, five hundred thirty-five thousand, six hundred eighty-five".