385661206 has 8 divisors (see below), whose sum is σ = 661133520. Its totient is φ = 165283368.

The previous prime is 385661197. The next prime is 385661207. The reversal of 385661206 is 602166583.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385661207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13773601 + ... + 13773628.

It is an arithmetic number, because the mean of its divisors is an integer number (82641690).

Almost surely, 2^385661206 is an apocalyptic number.

385661206 is a deficient number, since it is larger than the sum of its proper divisors (275472314).

385661206 is a wasteful number, since it uses less digits than its factorization.

385661206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27547238.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 385661206 is about 19638.2587313641. The cubic root of 385661206 is about 727.8948583715.

The spelling of 385661206 in words is "three hundred eighty-five million, six hundred sixty-one thousand, two hundred six".