383850 has 36 divisors (see below), whose sum is σ = 1032486. Its totient is φ = 102240.

The previous prime is 383839. The next prime is 383869. The reversal of 383850 is 58383.

It can be written as a sum of positive squares in 3 ways, for example, as 184041 + 199809 = 429^2 + 447^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24 + ... + 876.

2³⁸³⁸⁵⁰ is an apocalyptic number.

383850 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 383850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516243).

383850 is an abundant number, since it is smaller than the sum of its proper divisors (648636).

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

383850 is a wasteful number, since it uses less digits than its factorization.

383850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 383850 is about 619.5562928419. The cubic root of 383850 is about 72.6753583109.

The spelling of 383850 in words is "three hundred eighty-three thousand, eight hundred fifty".