899677 has 4 divisors (see below), whose sum is σ = 902236. Its totient is φ = 897120.

The previous prime is 899671. The next prime is 899681. The reversal of 899677 is 776998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776998 = 2 ⋅388499.

It can be written as a sum of positive squares in 2 ways, for example, as 17956 + 881721 = 134^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 899677 - 2¹¹ = 897629 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899671) 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, 648 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (225559).

2⁸⁹⁹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

899677 is a deficient number, since it is larger than the sum of its proper divisors (2559).

899677 is a wasteful number, since it uses less digits than its factorization.

899677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its digits is 190512, while the sum is 46.

The square root of 899677 is about 948.5130468265. The cubic root of 899677 is about 96.5373869648.

The spelling of 899677 in words is "eight hundred ninety-nine thousand, six hundred seventy-seven".