385238190 has 64 divisors (see below), whose sum is σ = 992839680. Its totient is φ = 95316480.

The previous prime is 385238171. The next prime is 385238197. The reversal of 385238190 is 91832583.

385238190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×385238190² = 296816926068952200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385238197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30891 + ... + 41529.

It is an arithmetic number, because the mean of its divisors is an integer number (15513120).

Almost surely, 2^385238190 is an apocalyptic number.

385238190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 385238190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496419840).

385238190 is an abundant number, since it is smaller than the sum of its proper divisors (607601490).

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

385238190 is a wasteful number, since it uses less digits than its factorization.

385238190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10737.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 385238190 is about 19627.4855750807. The cubic root of 385238190 is about 727.6286283112.

The spelling of 385238190 in words is "three hundred eighty-five million, two hundred thirty-eight thousand, one hundred ninety".