894240 has 144 divisors (see below), whose sum is σ = 3302208. Its totient is φ = 228096.

The previous prime is 894239. The next prime is 894247. The reversal of 894240 is 42498.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 6 and base 16.

It is not an unprimeable number, because it can be changed into a prime (894247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38869 + ... + 38891.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2⁸⁹⁴²⁴⁰ is an apocalyptic number.

894240 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 894240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651104).

894240 is an abundant number, since it is smaller than the sum of its proper divisors (2407968).

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

894240 is a wasteful number, since it uses less digits than its factorization.

894240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 894240 is about 945.6426386326. The cubic root of 894240 is about 96.3425264179.

The spelling of 894240 in words is "eight hundred ninety-four thousand, two hundred forty".