899425 has 6 divisors (see below), whose sum is σ = 1115318. Its totient is φ = 719520.

The previous prime is 899413. The next prime is 899429. The reversal of 899425 is 524998.

It can be written as a sum of positive squares in 3 ways, for example, as 253009 + 646416 = 503^2 + 804^2 .

It is not a de Polignac number, because 899425 - 2¹⁷ = 768353 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

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 5 ways as a sum of consecutive naturals, for example, 17964 + ... + 18013.

2⁸⁹⁹⁴²⁵ is an apocalyptic number.

It is an amenable number.

899425 is a deficient number, since it is larger than the sum of its proper divisors (215893).

899425 is a wasteful number, since it uses less digits than its factorization.

899425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35987 (or 35982 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 899425 is about 948.3801980219. The cubic root of 899425 is about 96.5283727322.

The spelling of 899425 in words is "eight hundred ninety-nine thousand, four hundred twenty-five".