940611697 has 2 divisors, whose sum is σ = 940611698. Its totient is φ = 940611696.

The previous prime is 940611691. The next prime is 940611731. The reversal of 940611697 is 796116049.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894249216 + 46362481 = 29904^2 + 6809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940611697 is a prime.

It is equal to p_47977054 and since 940611697 and 47977054 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (940611691) by changing a digit.

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 as a sum of consecutive naturals, namely, 470305848 + 470305849.

It is an arithmetic number, because the mean of its divisors is an integer number (470305849).

Almost surely, 2^940611697 is an apocalyptic number.

It is an amenable number.

940611697 is a deficient number, since it is larger than the sum of its proper divisors (1).

940611697 is an equidigital number, since it uses as much as digits as its factorization.

940611697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 940611697 is about 30669.3934892753. The cubic root of 940611697 is about 979.7985484156.

The spelling of 940611697 in words is "nine hundred forty million, six hundred eleven thousand, six hundred ninety-seven".