899280 has 60 divisors (see below), whose sum is σ = 3022500. Its totient is φ = 239616.

The previous prime is 899273. The next prime is 899291. The reversal of 899280 is 82998.

899280 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 345744 + 553536 = 588^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (50375).

2⁸⁹⁹²⁸⁰ is an apocalyptic number.

899280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511250).

899280 is an abundant number, since it is smaller than the sum of its proper divisors (2123220).

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

899280 is a wasteful number, since it uses less digits than its factorization.

899280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 899280 is about 948.3037488063. The cubic root of 899280 is about 96.5231852082.

The spelling of 899280 in words is "eight hundred ninety-nine thousand, two hundred eighty".