1837361 has 2 divisors, whose sum is σ = 1837362. Its totient is φ = 1837360.

The previous prime is 1837349. The next prime is 1837379. The reversal of 1837361 is 1637381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 774400 = 1031^2 + 880^2 .

It is an emirp because it is prime and its reverse (1637381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1837361 - 2¹⁴ = 1820977 is a prime.

It is a Chen prime.

It is equal to p₁₃₇₆₆₆ and since 1837361 and 137666 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1837391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918680 + 918681.

It is an arithmetic number, because the mean of its divisors is an integer number (918681).

2^1837361 is an apocalyptic number.

It is an amenable number.

1837361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1837361 is an equidigital number, since it uses as much as digits as its factorization.

1837361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 1837361 is about 1355.4928992806. The cubic root of 1837361 is about 122.4799022978.

The spelling of 1837361 in words is "one million, eight hundred thirty-seven thousand, three hundred sixty-one".