655383 has 4 divisors (see below), whose sum is σ = 873848. Its totient is φ = 436920.

The previous prime is 655379. The next prime is 655387. The reversal of 655383 is 383556.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (655379) and next prime (655387).

It is not a de Polignac number, because 655383 - 2² = 655379 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655383.

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 655383.

It is not an unprimeable number, because it can be changed into a prime (655387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109228 + ... + 109233.

It is an arithmetic number, because the mean of its divisors is an integer number (218462).

2⁶⁵⁵³⁸³ is an apocalyptic number.

655383 is a deficient number, since it is larger than the sum of its proper divisors (218465).

655383 is a wasteful number, since it uses less digits than its factorization.

655383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218464.

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

The square root of 655383 is about 809.5572864226. The cubic root of 655383 is about 86.8623798586.

The spelling of 655383 in words is "six hundred fifty-five thousand, three hundred eighty-three".