93937661 has 2 divisors, whose sum is σ = 93937662. Its totient is φ = 93937660.

The previous prime is 93937651. The next prime is 93937673. The reversal of 93937661 is 16673939.

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., 83375161 + 10562500 = 9131^2 + 3250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93937661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93937651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46968830 + 46968831.

It is an arithmetic number, because the mean of its divisors is an integer number (46968831).

Almost surely, 2^93937661 is an apocalyptic number.

It is an amenable number.

93937661 is a deficient number, since it is larger than the sum of its proper divisors (1).

93937661 is an equidigital number, since it uses as much as digits as its factorization.

93937661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 93937661 is about 9692.1442931892. The cubic root of 93937661 is about 454.5830596658.

The spelling of 93937661 in words is "ninety-three million, nine hundred thirty-seven thousand, six hundred sixty-one".