385900530 has 16 divisors (see below), whose sum is σ = 926161344. Its totient is φ = 102906800.

The previous prime is 385900523. The next prime is 385900531. The reversal of 385900530 is 35009583.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 385900491 and 385900500.

It is not an unprimeable number, because it can be changed into a prime (385900531) 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, 6431646 + ... + 6431705.

It is an arithmetic number, because the mean of its divisors is an integer number (57885084).

Almost surely, 2^385900530 is an apocalyptic number.

385900530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385900530 is an abundant number, since it is smaller than the sum of its proper divisors (540260814).

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

385900530 is a wasteful number, since it uses less digits than its factorization.

385900530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863361.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 385900530 is about 19644.3510964348. The cubic root of 385900530 is about 728.0453935085.

The spelling of 385900530 in words is "three hundred eighty-five million, nine hundred thousand, five hundred thirty".