899380 has 24 divisors (see below), whose sum is σ = 1906632. Its totient is φ = 356352.

The previous prime is 899321. The next prime is 899387. The reversal of 899380 is 83998.

It can be written as a sum of positive squares in 4 ways, for example, as 676 + 898704 = 26^2 + 948^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899387) 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 7 ways as a sum of consecutive naturals, for example, 3744 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (79443).

2⁸⁹⁹³⁸⁰ is an apocalyptic number.

It is an amenable number.

899380 is an abundant number, since it is smaller than the sum of its proper divisors (1007252).

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

899380 is a wasteful number, since it uses less digits than its factorization.

899380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 899380 is about 948.3564730627. The cubic root of 899380 is about 96.5267628706.

The spelling of 899380 in words is "eight hundred ninety-nine thousand, three hundred eighty".