385677181 has 8 divisors (see below), whose sum is σ = 429857280. Its totient is φ = 343885248.

The previous prime is 385677161. The next prime is 385677199. The reversal of 385677181 is 181776583.

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

It is not a de Polignac number, because 385677181 - 2⁷ = 385677053 is a prime.

It is a super-2 number, since 2×385677181² = 297493775888213522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385677161) 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, 596701 + ... + 597346.

It is an arithmetic number, because the mean of its divisors is an integer number (53732160).

Almost surely, 2^385677181 is an apocalyptic number.

It is an amenable number.

385677181 is a deficient number, since it is larger than the sum of its proper divisors (44180099).

385677181 is a wasteful number, since it uses less digits than its factorization.

385677181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194083.

The product of its digits is 282240, while the sum is 46.

The square root of 385677181 is about 19638.6654587322. The cubic root of 385677181 is about 727.9049086088.

The spelling of 385677181 in words is "three hundred eighty-five million, six hundred seventy-seven thousand, one hundred eighty-one".