385830340 has 96 divisors (see below), whose sum is σ = 1006387200. Its totient is φ = 121253760.

The previous prime is 385830329. The next prime is 385830343. The reversal of 385830340 is 43038583.

It is a junction number, because it is equal to n+sod(n) for n = 385830296 and 385830305.

It is not an unprimeable number, because it can be changed into a prime (385830343) 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, 80121 + ... + 84799.

It is an arithmetic number, because the mean of its divisors is an integer number (10483200).

Almost surely, 2^385830340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385830340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503193600).

385830340 is an abundant number, since it is smaller than the sum of its proper divisors (620556860).

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

385830340 is a wasteful number, since it uses less digits than its factorization.

385830340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 385830340 is about 19642.5644965213. The cubic root of 385830340 is about 728.0012503501.

The spelling of 385830340 in words is "three hundred eighty-five million, eight hundred thirty thousand, three hundred forty".