899489 has 4 divisors (see below), whose sum is σ = 901824. Its totient is φ = 897156.

The previous prime is 899477. The next prime is 899491. The reversal of 899489 is 984998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 899489 - 2⁴ = 899473 is a prime.

It is a super-2 number, since 2×899489² = 1618160922242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899429) 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, 437 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (225456).

2⁸⁹⁹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

899489 is a deficient number, since it is larger than the sum of its proper divisors (2335).

899489 is a wasteful number, since it uses less digits than its factorization.

899489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its digits is 186624, while the sum is 47.

The square root of 899489 is about 948.4139391637. The cubic root of 899489 is about 96.5306622206.

The spelling of 899489 in words is "eight hundred ninety-nine thousand, four hundred eighty-nine".