940602209 has 2 divisors, whose sum is σ = 940602210. Its totient is φ = 940602208.

The previous prime is 940602199. The next prime is 940602233. The reversal of 940602209 is 902206049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 747475600 + 193126609 = 27340^2 + 13897^2 .

It is a cyclic number.

It is not a de Polignac number, because 940602209 - 2⁸ = 940601953 is a prime.

It is not a weakly prime, because it can be changed into another prime (940602109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470301104 + 470301105.

It is an arithmetic number, because the mean of its divisors is an integer number (470301105).

Almost surely, 2^940602209 is an apocalyptic number.

It is an amenable number.

940602209 is a deficient number, since it is larger than the sum of its proper divisors (1).

940602209 is an equidigital number, since it uses as much as digits as its factorization.

940602209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 940602209 is about 30669.2388069870. The cubic root of 940602209 is about 979.7952539779.

It can be divided in two parts, 94060 and 2209, that added together give a palindrome (96269).

The spelling of 940602209 in words is "nine hundred forty million, six hundred two thousand, two hundred nine".