1927361 has 2 divisors, whose sum is σ = 1927362. Its totient is φ = 1927360.

The previous prime is 1927357. The next prime is 1927397. The reversal of 1927361 is 1637291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 118336 = 1345^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1927361 - 2² = 1927357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1927351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963680 + 963681.

It is an arithmetic number, because the mean of its divisors is an integer number (963681).

2^1927361 is an apocalyptic number.

It is an amenable number.

1927361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1927361 is an equidigital number, since it uses as much as digits as its factorization.

1927361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 1927361 is about 1388.2942771617. The cubic root of 1927361 is about 124.4479333690.

The spelling of 1927361 in words is "one million, nine hundred twenty-seven thousand, three hundred sixty-one".