899469 has 12 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 594504.

The previous prime is 899467. The next prime is 899473. The reversal of 899469 is 964998.

It is not a de Polignac number, because 899469 - 2¹ = 899467 is a prime.

It is a super-2 number, since 2×899469² = 1618088963922, which contains 22 as substring.

Its product of digits (139968) is a multiple of the sum of its prime factors (864).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2⁸⁹⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

899469 is a deficient number, since it is larger than the sum of its proper divisors (410931).

899469 is a wasteful number, since it uses less digits than its factorization.

899469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 861 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 899469 is about 948.4033951858. The cubic root of 899469 is about 96.5299467671.

The spelling of 899469 in words is "eight hundred ninety-nine thousand, four hundred sixty-nine".