385115238 has 12 divisors (see below), whose sum is σ = 834416388. Its totient is φ = 128371740.

The previous prime is 385115233. The next prime is 385115257. The reversal of 385115238 is 832511583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385115231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10697628 + ... + 10697663.

It is an arithmetic number, because the mean of its divisors is an integer number (69534699).

Almost surely, 2^385115238 is an apocalyptic number.

385115238 is an abundant number, since it is smaller than the sum of its proper divisors (449301150).

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

385115238 is a wasteful number, since it uses less digits than its factorization.

385115238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21395299 (or 21395296 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 385115238 is about 19624.3531867932. The cubic root of 385115238 is about 727.5512104809.

The spelling of 385115238 in words is "three hundred eighty-five million, one hundred fifteen thousand, two hundred thirty-eight".