906555 has 16 divisors (see below), whose sum is σ = 1562400. Its totient is φ = 446208.

The previous prime is 906541. The next prime is 906557. The reversal of 906555 is 555609.

It is a happy number.

It is not a de Polignac number, because 906555 - 2⁴ = 906539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2⁹⁰⁶⁵⁵⁵ is an apocalyptic number.

906555 is a deficient number, since it is larger than the sum of its proper divisors (655845).

906555 is a wasteful number, since it uses less digits than its factorization.

906555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 906555 is about 952.1318186050. The cubic root of 906555 is about 96.7827710498.

The spelling of 906555 in words is "nine hundred six thousand, five hundred fifty-five".