383706 has 12 divisors (see below), whose sum is σ = 831402. Its totient is φ = 127896.

The previous prime is 383693. The next prime is 383723. The reversal of 383706 is 607383.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 189225 = 441^2 + 435^2 .

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 383706.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383706.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10641 + ... + 10676.

2³⁸³⁷⁰⁶ is an apocalyptic number.

383706 is an abundant number, since it is smaller than the sum of its proper divisors (447696).

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

383706 is a wasteful number, since it uses less digits than its factorization.

383706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21325 (or 21322 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 383706 is about 619.4400697404. The cubic root of 383706 is about 72.6662692045. Note that the first 3 decimals are identical.

It can be divided in two parts, 383 and 706, that added together give a square (1089 = 33²).

The spelling of 383706 in words is "three hundred eighty-three thousand, seven hundred six".