940931617 has 2 divisors, whose sum is σ = 940931618. Its totient is φ = 940931616.

The previous prime is 940931611. The next prime is 940931627. The reversal of 940931617 is 716139049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805651456 + 135280161 = 28384^2 + 11631^2 .

It is an emirp because it is prime and its reverse (716139049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940931617 - 2¹⁹ = 940407329 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940931617.

It is not a weakly prime, because it can be changed into another prime (940931611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470465808 + 470465809.

It is an arithmetic number, because the mean of its divisors is an integer number (470465809).

Almost surely, 2^940931617 is an apocalyptic number.

It is an amenable number.

940931617 is a deficient number, since it is larger than the sum of its proper divisors (1).

940931617 is an equidigital number, since it uses as much as digits as its factorization.

940931617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 940931617 is about 30674.6086690605. The cubic root of 940931617 is about 979.9096185563.

The spelling of 940931617 in words is "nine hundred forty million, nine hundred thirty-one thousand, six hundred seventeen".