655347 has 16 divisors (see below), whose sum is σ = 1089792. Its totient is φ = 340320.

The previous prime is 655337. The next prime is 655351. The reversal of 655347 is 743556.

It is not a de Polignac number, because 655347 - 2⁴ = 655331 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (655337) 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, 1188 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (68112).

2⁶⁵⁵³⁴⁷ is an apocalyptic number.

655347 is a deficient number, since it is larger than the sum of its proper divisors (434445).

655347 is a wasteful number, since it uses less digits than its factorization.

655347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

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

The square root of 655347 is about 809.5350517427. The cubic root of 655347 is about 86.8607893876.

Subtracting 655347 from its reverse (743556), we obtain a square (88209 = 297²).

The spelling of 655347 in words is "six hundred fifty-five thousand, three hundred forty-seven".