894640 has 40 divisors (see below), whose sum is σ = 2129328. Its totient is φ = 349440.

The previous prime is 894637. The next prime is 894643. The reversal of 894640 is 46498.

894640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (894637) and next prime (894643).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (894643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4135 + ... + 4345.

2⁸⁹⁴⁶⁴⁰ is an apocalyptic number.

894640 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 894640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064664).

894640 is an abundant number, since it is smaller than the sum of its proper divisors (1234688).

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

894640 is a wasteful number, since it uses less digits than its factorization.

894640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 894640 is about 945.8541113724. The cubic root of 894640 is about 96.3568891788.

The spelling of 894640 in words is "eight hundred ninety-four thousand, six hundred forty".