899240 has 16 divisors (see below), whose sum is σ = 2023380. Its totient is φ = 359680.

The previous prime is 899237. The next prime is 899263. The reversal of 899240 is 42998.

899240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 784996 + 114244 = 886^2 + 338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 899197 and 899206.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 899240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11201 + ... + 11280.

2⁸⁹⁹²⁴⁰ is an apocalyptic number.

It is an amenable number.

899240 is an abundant number, since it is smaller than the sum of its proper divisors (1124140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899240 is a wasteful number, since it uses less digits than its factorization.

899240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22492 (or 22488 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 899240 is about 948.2826582829. The cubic root of 899240 is about 96.5217540690.

The spelling of 899240 in words is "eight hundred ninety-nine thousand, two hundred forty".