385456938 has 32 divisors (see below), whose sum is σ = 779728896. Its totient is φ = 127024128.

The previous prime is 385456937. The next prime is 385456979. The reversal of 385456938 is 839654583.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (385456937) 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 15 ways as a sum of consecutive naturals, for example, 268270 + ... + 269702.

It is an arithmetic number, because the mean of its divisors is an integer number (24366528).

Almost surely, 2^385456938 is an apocalyptic number.

385456938 is an abundant number, since it is smaller than the sum of its proper divisors (394271958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385456938 is a wasteful number, since it uses less digits than its factorization.

385456938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918.

The product of its digits is 3110400, while the sum is 51.

The square root of 385456938 is about 19633.0572759313. The cubic root of 385456938 is about 727.7663242392.

The spelling of 385456938 in words is "three hundred eighty-five million, four hundred fifty-six thousand, nine hundred thirty-eight".