383912 has 16 divisors (see below), whose sum is σ = 739860. Its totient is φ = 186624.

The previous prime is 383909. The next prime is 383917. The reversal of 383912 is 219383.

383912 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 119716 = 514^2 + 346^2 .

383912 is an undulating number in base 6.

It is not an unprimeable number, because it can be changed into a prime (383917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 944.

2³⁸³⁹¹² is an apocalyptic number.

It is an amenable number.

383912 is a deficient number, since it is larger than the sum of its proper divisors (355948).

383912 is a wasteful number, since it uses less digits than its factorization.

383912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1336 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 383912 is about 619.6063266301. The cubic root of 383912 is about 72.6792709762.

The spelling of 383912 in words is "three hundred eighty-three thousand, nine hundred twelve".