385112530 has 32 divisors (see below), whose sum is σ = 765350208. Its totient is φ = 138350400.

The previous prime is 385112513. The next prime is 385112531. The reversal of 385112530 is 35211583.

It is not an unprimeable number, because it can be changed into a prime (385112531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11961 + ... + 30220.

It is an arithmetic number, because the mean of its divisors is an integer number (23917194).

Almost surely, 2^385112530 is an apocalyptic number.

385112530 is a deficient number, since it is larger than the sum of its proper divisors (380237678).

385112530 is a wasteful number, since it uses less digits than its factorization.

385112530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42282.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 385112530 is about 19624.2841907673. The cubic root of 385112530 is about 727.5495051789.

It can be divided in two parts, 38511 and 2530, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 385112530 in words is "three hundred eighty-five million, one hundred twelve thousand, five hundred thirty".