1863941 has 2 divisors, whose sum is σ = 1863942. Its totient is φ = 1863940.

The previous prime is 1863929. The next prime is 1863971. The reversal of 1863941 is 1493681.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 30625 = 1354^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1863941 - 2⁶ = 1863877 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1863898 and 1863907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1863971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931970 + 931971.

It is an arithmetic number, because the mean of its divisors is an integer number (931971).

2^1863941 is an apocalyptic number.

It is an amenable number.

1863941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1863941 is an equidigital number, since it uses as much as digits as its factorization.

1863941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 1863941 is about 1365.2622458707. The cubic root of 1863941 is about 123.0676913849.

The spelling of 1863941 in words is "one million, eight hundred sixty-three thousand, nine hundred forty-one".