995555 has 16 divisors (see below), whose sum is σ = 1361664. Its totient is φ = 691680.

The previous prime is 995551. The next prime is 995567. The reversal of 995555 is 555599.

It is a happy number.

It is not a de Polignac number, because 995555 - 2² = 995551 is a prime.

It is a super-2 number, since 2×995555² = 1982259516050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 2 and base 10.

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 995555.

It is not an unprimeable number, because it can be changed into a prime (995551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (85104).

2⁹⁹⁵⁵⁵⁵ is an apocalyptic number.

995555 is a deficient number, since it is larger than the sum of its proper divisors (366109).

995555 is a wasteful number, since it uses less digits than its factorization.

995555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 50625, while the sum is 38.

The square root of 995555 is about 997.7750247426. The cubic root of 995555 is about 99.8516132560.

It can be divided in two parts, 99 and 5555, that multiplied together give a palindrome (549945).

The spelling of 995555 in words is "nine hundred ninety-five thousand, five hundred fifty-five".