383900 has 36 divisors (see below), whose sum is σ = 911400. Its totient is φ = 139200.

The previous prime is 383891. The next prime is 383909. The reversal of 383900 is 9383.

It is an interprime number because it is at equal distance from previous prime (383891) and next prime (383909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383909) by changing a digit.

383900 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 926 + ... + 1274.

2³⁸³⁹⁰⁰ 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 383900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455700).

383900 is an abundant number, since it is smaller than the sum of its proper divisors (527500).

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

383900 is a wasteful number, since it uses less digits than its factorization.

383900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 383900 is about 619.5966429864. The cubic root of 383900 is about 72.6785137190.

The spelling of 383900 in words is "three hundred eighty-three thousand, nine hundred".