899755 has 4 divisors (see below), whose sum is σ = 1079712. Its totient is φ = 719800.

The previous prime is 899753. The next prime is 899761. The reversal of 899755 is 557998.

899755 is nontrivially palindromic in base 3.

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

It is not a de Polignac number, because 899755 - 2¹ = 899753 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8² + 9⁵ + 7³ + 9⁵ + 5⁸ + 5⁸ .

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (899753) 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 3 ways as a sum of consecutive naturals, for example, 89971 + ... + 89980.

It is an arithmetic number, because the mean of its divisors is an integer number (269928).

2⁸⁹⁹⁷⁵⁵ is an apocalyptic number.

899755 is a deficient number, since it is larger than the sum of its proper divisors (179957).

899755 is a wasteful number, since it uses less digits than its factorization.

899755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179956.

The product of its digits is 113400, while the sum is 43.

The square root of 899755 is about 948.5541629238. The cubic root of 899755 is about 96.5401767433.

The spelling of 899755 in words is "eight hundred ninety-nine thousand, seven hundred fifty-five".