940817 has 2 divisors, whose sum is σ = 940818. Its totient is φ = 940816.

The previous prime is 940813. The next prime is 940829. The reversal of 940817 is 718049.

940817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 101761 = 916^2 + 319^2 .

It is an emirp because it is prime and its reverse (718049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940817 - 2² = 940813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940817.

It is not a weakly prime, because it can be changed into another prime (940813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470408 + 470409.

It is an arithmetic number, because the mean of its divisors is an integer number (470409).

2⁹⁴⁰⁸¹⁷ is an apocalyptic number.

It is an amenable number.

940817 is a deficient number, since it is larger than the sum of its proper divisors (1).

940817 is an equidigital number, since it uses as much as digits as its factorization.

940817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 940817 is about 969.9572155513. The cubic root of 940817 is about 97.9869828608.

The spelling of 940817 in words is "nine hundred forty thousand, eight hundred seventeen".