899347 has 4 divisors (see below), whose sum is σ = 901800. Its totient is φ = 896896.

The previous prime is 899321. The next prime is 899387. The reversal of 899347 is 743998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743998 = 2 ⋅371999.

It is a cyclic number.

It is not a de Polignac number, because 899347 - 2¹⁹ = 375059 is a prime.

It is a Duffinian number.

899347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (899387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (225450).

2⁸⁹⁹³⁴⁷ is an apocalyptic number.

899347 is a deficient number, since it is larger than the sum of its proper divisors (2453).

899347 is a wasteful number, since it uses less digits than its factorization.

899347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452.

The product of its digits is 54432, while the sum is 40.

The square root of 899347 is about 948.3390743822. The cubic root of 899347 is about 96.5255822714.

The spelling of 899347 in words is "eight hundred ninety-nine thousand, three hundred forty-seven".