380485685 has 8 divisors (see below), whose sum is σ = 461104056. Its totient is φ = 301374400.

The previous prime is 380485681. The next prime is 380485691. The reversal of 380485685 is 586584083.

It can be written as a sum of positive squares in 4 ways, for example, as 247936516 + 132549169 = 15746^2 + 11513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380485685 - 2² = 380485681 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 (380485681) 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, 376214 + ... + 377223.

It is an arithmetic number, because the mean of its divisors is an integer number (57638007).

Almost surely, 2^380485685 is an apocalyptic number.

It is an amenable number.

380485685 is a deficient number, since it is larger than the sum of its proper divisors (80618371).

380485685 is a wasteful number, since it uses less digits than its factorization.

380485685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753543.

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 380485685 is about 19506.0422689996. The cubic root of 380485685 is about 724.6241000231.

The spelling of 380485685 in words is "three hundred eighty million, four hundred eighty-five thousand, six hundred eighty-five".