899697 has 8 divisors (see below), whose sum is σ = 1204000. Its totient is φ = 597600.

The previous prime is 899693. The next prime is 899711. The reversal of 899697 is 796998.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 899697 - 2² = 899693 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (899693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (150500).

2⁸⁹⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

899697 is a deficient number, since it is larger than the sum of its proper divisors (304303).

899697 is a wasteful number, since it uses less digits than its factorization.

899697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its digits is 244944, while the sum is 48.

The square root of 899697 is about 948.5235895854. The cubic root of 899697 is about 96.5381023080.

It can be divided in two parts, 899 and 697, that added together give a triangular number (1596 = T₅₆).

The spelling of 899697 in words is "eight hundred ninety-nine thousand, six hundred ninety-seven".