899616 has 24 divisors (see below), whose sum is σ = 2361744. Its totient is φ = 299840.

The previous prime is 899611. The next prime is 899617. The reversal of 899616 is 616998.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (899611) by changing a digit.

899616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4590 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (98406).

2⁸⁹⁹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

899616 is an abundant number, since it is smaller than the sum of its proper divisors (1462128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899616 is a wasteful number, since it uses less digits than its factorization.

899616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384 (or 9376 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 899616 is about 948.4808906878. The cubic root of 899616 is about 96.5352051026.

The spelling of 899616 in words is "eight hundred ninety-nine thousand, six hundred sixteen".