385135872 has 72 divisors (see below), whose sum is σ = 1118231520. Its totient is φ = 116705280.

The previous prime is 385135859. The next prime is 385135873. The reversal of 385135872 is 278531583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385135873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14347 + ... + 31242.

Almost surely, 2^385135872 is an apocalyptic number.

385135872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

385135872 is an abundant number, since it is smaller than the sum of its proper divisors (733095648).

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

385135872 is a wasteful number, since it uses less digits than its factorization.

385135872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45619 (or 45605 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 385135872 is about 19624.8789040850. The cubic root of 385135872 is about 727.5642040147.

The spelling of 385135872 in words is "three hundred eighty-five million, one hundred thirty-five thousand, eight hundred seventy-two".