998839041 has 4 divisors (see below), whose sum is σ = 1331785392. Its totient is φ = 665892692.

The previous prime is 998839031. The next prime is 998839043. The reversal of 998839041 is 140938899.

It is a happy number.

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 998839041 - 2⁶ = 998838977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998839043) 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, 166473171 + ... + 166473176.

It is an arithmetic number, because the mean of its divisors is an integer number (332946348).

Almost surely, 2^998839041 is an apocalyptic number.

It is an amenable number.

998839041 is a deficient number, since it is larger than the sum of its proper divisors (332946351).

998839041 is a wasteful number, since it uses less digits than its factorization.

998839041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332946350.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 998839041 is about 31604.4148972893. The cubic root of 998839041 is about 999.6128638116.

The spelling of 998839041 in words is "nine hundred ninety-eight million, eight hundred thirty-nine thousand, forty-one".