294640 has 40 divisors (see below), whose sum is σ = 714240. Its totient is φ = 112896.

The previous prime is 294629. The next prime is 294641. The reversal of 294640 is 46492.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (294641) by changing a digit.

294640 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2257 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (17856).

2²⁹⁴⁶⁴⁰ is an apocalyptic number.

294640 is a gapful number since it is divisible by the number (20) 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 294640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357120).

294640 is an abundant number, since it is smaller than the sum of its proper divisors (419600).

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

294640 is a wasteful number, since it uses less digits than its factorization.

294640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 294640 is about 542.8075165286. The cubic root of 294640 is about 66.5422122555.

The spelling of 294640 in words is "two hundred ninety-four thousand, six hundred forty".