899493 has 24 divisors (see below), whose sum is σ = 1450080. Its totient is φ = 493920.

The previous prime is 899491. The next prime is 899519. The reversal of 899493 is 394998.

It is not a de Polignac number, because 899493 - 2¹ = 899491 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4158 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (60420).

2⁸⁹⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

899493 is a deficient number, since it is larger than the sum of its proper divisors (550587).

899493 is a wasteful number, since it uses less digits than its factorization.

899493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 250 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 899493 is about 948.4160479452. The cubic root of 899493 is about 96.5308053100.

The spelling of 899493 in words is "eight hundred ninety-nine thousand, four hundred ninety-three".