368236861 has 2 divisors, whose sum is σ = 368236862. Its totient is φ = 368236860.

The previous prime is 368236849. The next prime is 368236871. The reversal of 368236861 is 168632863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362140900 + 6095961 = 19030^2 + 2469^2 .

It is a cyclic number.

It is not a de Polignac number, because 368236861 - 2¹¹ = 368234813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368236811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184118430 + 184118431.

It is an arithmetic number, because the mean of its divisors is an integer number (184118431).

Almost surely, 2^368236861 is an apocalyptic number.

It is an amenable number.

368236861 is a deficient number, since it is larger than the sum of its proper divisors (1).

368236861 is an equidigital number, since it uses as much as digits as its factorization.

368236861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 368236861 is about 19189.4987167461. The cubic root of 368236861 is about 716.7632883850.

The spelling of 368236861 in words is "three hundred sixty-eight million, two hundred thirty-six thousand, eight hundred sixty-one".