1906361 has 2 divisors, whose sum is σ = 1906362. Its totient is φ = 1906360.

The previous prime is 1906343. The next prime is 1906379. The reversal of 1906361 is 1636091.

It is a balanced prime because it is at equal distance from previous prime (1906343) and next prime (1906379).

It can be written as a sum of positive squares in only one way, i.e., 1336336 + 570025 = 1156^2 + 755^2 .

It is an emirp because it is prime and its reverse (1636091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1906361 - 2⁶ = 1906297 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 1906361.

It is not a weakly prime, because it can be changed into another prime (1906321) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953180 + 953181.

It is an arithmetic number, because the mean of its divisors is an integer number (953181).

2^1906361 is an apocalyptic number.

It is an amenable number.

1906361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906361 is an equidigital number, since it uses as much as digits as its factorization.

1906361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1906361 is about 1380.7103244345. The cubic root of 1906361 is about 123.9942982116.

The spelling of 1906361 in words is "one million, nine hundred six thousand, three hundred sixty-one".