385081943 has 8 divisors (see below), whose sum is σ = 407944512. Its totient is φ = 362242816.

The previous prime is 385081937. The next prime is 385081973. The reversal of 385081943 is 349180583.

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 385081943 - 2⁴ = 385081927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385081943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385081913) 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, 36971 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (50993064).

Almost surely, 2^385081943 is an apocalyptic number.

385081943 is a deficient number, since it is larger than the sum of its proper divisors (22862569).

385081943 is a wasteful number, since it uses less digits than its factorization.

385081943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 385081943 is about 19623.5048602435. The cubic root of 385081943 is about 727.5302431502.

The spelling of 385081943 in words is "three hundred eighty-five million, eighty-one thousand, nine hundred forty-three".