1898983 has 2 divisors, whose sum is σ = 1898984. Its totient is φ = 1898982.

The previous prime is 1898977. The next prime is 1899017. The reversal of 1898983 is 3898981.

It is a weak prime.

It is an emirp because it is prime and its reverse (3898981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1898983 - 2¹⁷ = 1767911 is a prime.

It is a super-2 number, since 2×1898983² = 7212272868578, which contains 22 as substring.

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

It is a plaindrome in base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1898383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949491 + 949492.

It is an arithmetic number, because the mean of its divisors is an integer number (949492).

2^1898983 is an apocalyptic number.

1898983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1898983 is an equidigital number, since it uses as much as digits as its factorization.

1898983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 46.

The square root of 1898983 is about 1378.0359211574. The cubic root of 1898983 is about 123.8341304595.

The spelling of 1898983 in words is "one million, eight hundred ninety-eight thousand, nine hundred eighty-three".