899707 has 4 divisors (see below), whose sum is σ = 947080. Its totient is φ = 852336.

The previous prime is 899693. The next prime is 899711. The reversal of 899707 is 707998.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 899707.

It is not an unprimeable number, because it can be changed into a prime (899807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23658 + ... + 23695.

It is an arithmetic number, because the mean of its divisors is an integer number (236770).

2⁸⁹⁹⁷⁰⁷ is an apocalyptic number.

899707 is a deficient number, since it is larger than the sum of its proper divisors (47373).

899707 is a wasteful number, since it uses less digits than its factorization.

899707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47372.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 899707 is about 948.5288609210. The cubic root of 899707 is about 96.5384599756.

The spelling of 899707 in words is "eight hundred ninety-nine thousand, seven hundred seven".