899306 has 4 divisors (see below), whose sum is σ = 1348962. Its totient is φ = 449652.

The previous prime is 899291. The next prime is 899309. The reversal of 899306 is 603998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603998 = 2 ⋅301999.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 43681 = 925^2 + 209^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (899309) by changing a digit.

899306 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 as a sum of consecutive naturals, namely, 224825 + ... + 224828.

2⁸⁹⁹³⁰⁶ is an apocalyptic number.

899306 is a deficient number, since it is larger than the sum of its proper divisors (449656).

899306 is a wasteful number, since it uses less digits than its factorization.

899306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449655.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 899306 is about 948.3174573949. The cubic root of 899306 is about 96.5241154260.

The spelling of 899306 in words is "eight hundred ninety-nine thousand, three hundred six".