941640 has 128 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 200448.

The previous prime is 941617. The next prime is 941641. The reversal of 941640 is 46149.

941640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 941640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (941641) by changing a digit.

941640 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15931 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2⁹⁴¹⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 941640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728000).

941640 is an abundant number, since it is smaller than the sum of its proper divisors (2514360).

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

941640 is a wasteful number, since it uses less digits than its factorization.

941640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 941640 is about 970.3813683290. The cubic root of 941640 is about 98.0155466103.

Adding to 941640 its reverse (46149), we get a palindrome (987789).

The spelling of 941640 in words is "nine hundred forty-one thousand, six hundred forty".