899385 has 16 divisors (see below), whose sum is σ = 1524096. Its totient is φ = 451328.

The previous prime is 899321. The next prime is 899387. The reversal of 899385 is 583998.

It is a cyclic number.

It is not a de Polignac number, because 899385 - 2⁶ = 899321 is a prime.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (95256).

2⁸⁹⁹³⁸⁵ is an apocalyptic number.

899385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

899385 is a deficient number, since it is larger than the sum of its proper divisors (624711).

899385 is a wasteful number, since it uses less digits than its factorization.

899385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552.

The product of its digits is 77760, while the sum is 42.

The square root of 899385 is about 948.3591091986. The cubic root of 899385 is about 96.5269417468.

The spelling of 899385 in words is "eight hundred ninety-nine thousand, three hundred eighty-five".