385850850 has 144 divisors (see below), whose sum is σ = 1202464704. Its totient is φ = 80150400.

The previous prime is 385850833. The next prime is 385850897. The reversal of 385850850 is 58058583.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 125532 + ... + 128568.

Almost surely, 2^385850850 is an apocalyptic number.

385850850 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 385850850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601232352).

385850850 is an abundant number, since it is smaller than the sum of its proper divisors (816613854).

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

385850850 is a wasteful number, since it uses less digits than its factorization.

385850850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 385850850 is about 19643.0865700887. The cubic root of 385850850 is about 728.0141498377.

The spelling of 385850850 in words is "three hundred eighty-five million, eight hundred fifty thousand, eight hundred fifty".