655743 has 16 divisors (see below), whose sum is σ = 986112. Its totient is φ = 384000.

The previous prime is 655727. The next prime is 655757. The reversal of 655743 is 347556.

655743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655743 - 2⁴ = 655727 is a prime.

It is an Ulam number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 655743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703 + ... + 1343.

It is an arithmetic number, because the mean of its divisors is an integer number (61632).

2⁶⁵⁵⁷⁴³ is an apocalyptic number.

655743 is a deficient number, since it is larger than the sum of its proper divisors (330369).

655743 is a wasteful number, since it uses less digits than its factorization.

655743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 12600, while the sum is 30.

The square root of 655743 is about 809.7795996442. The cubic root of 655743 is about 86.8782813660.

The spelling of 655743 in words is "six hundred fifty-five thousand, seven hundred forty-three".