998050919 has 2 divisors, whose sum is σ = 998050920. Its totient is φ = 998050918.

The previous prime is 998050901. The next prime is 998050939. The reversal of 998050919 is 919050899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998050919 - 2¹² = 998046823 is a prime.

It is a super-2 number, since 2×998050919² = 1992211273833489122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998050939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499025459 + 499025460.

It is an arithmetic number, because the mean of its divisors is an integer number (499025460).

Almost surely, 2^998050919 is an apocalyptic number.

998050919 is a deficient number, since it is larger than the sum of its proper divisors (1).

998050919 is an equidigital number, since it uses as much as digits as its factorization.

998050919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 998050919 is about 31591.9438939740. The cubic root of 998050919 is about 999.3498837738.

The spelling of 998050919 in words is "nine hundred ninety-eight million, fifty thousand, nine hundred nineteen".