1998883041 has 4 divisors (see below), whose sum is σ = 2665177392. Its totient is φ = 1332588692.

The previous prime is 1998883037. The next prime is 1998883067. The reversal of 1998883041 is 1403888991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1998883041 - 2² = 1998883037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1998883541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333147171 + ... + 333147176.

It is an arithmetic number, because the mean of its divisors is an integer number (666294348).

Almost surely, 2^1998883041 is an apocalyptic number.

It is an amenable number.

1998883041 is a deficient number, since it is larger than the sum of its proper divisors (666294351).

1998883041 is an equidigital number, since it uses as much as digits as its factorization.

1998883041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666294350.

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 1998883041 is about 44708.8698246780. The cubic root of 1998883041 is about 1259.6864595255.

The spelling of 1998883041 in words is "one billion, nine hundred ninety-eight million, eight hundred eighty-three thousand, forty-one".