383655 has 8 divisors (see below), whose sum is σ = 613872. Its totient is φ = 204608.

The previous prime is 383651. The next prime is 383657. The reversal of 383655 is 556383.

383655 = 275² + 276² + ... + 279².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 383655 - 2² = 383651 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383655.

It is not an unprimeable number, because it can be changed into a prime (383651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12774 + ... + 12803.

It is an arithmetic number, because the mean of its divisors is an integer number (76734).

2³⁸³⁶⁵⁵ is an apocalyptic number.

383655 is a deficient number, since it is larger than the sum of its proper divisors (230217).

383655 is a wasteful number, since it uses less digits than its factorization.

383655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25585.

The product of its digits is 10800, while the sum is 30.

The square root of 383655 is about 619.3989021624. The cubic root of 383655 is about 72.6630496007.

The spelling of 383655 in words is "three hundred eighty-three thousand, six hundred fifty-five".