1898363 has 2 divisors, whose sum is σ = 1898364. Its totient is φ = 1898362.

The previous prime is 1898353. The next prime is 1898371. The reversal of 1898363 is 3638981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1898363 - 2⁸ = 1898107 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1898353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949181 + 949182.

It is an arithmetic number, because the mean of its divisors is an integer number (949182).

2^1898363 is an apocalyptic number.

1898363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1898363 is an equidigital number, since it uses as much as digits as its factorization.

1898363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 1898363 is about 1377.8109449413. The cubic root of 1898363 is about 123.8206521015.

The spelling of 1898363 in words is "one million, eight hundred ninety-eight thousand, three hundred sixty-three".