998110837 has 2 divisors, whose sum is σ = 998110838. Its totient is φ = 998110836.

The previous prime is 998110819. The next prime is 998110849. The reversal of 998110837 is 738011899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530426961 + 467683876 = 23031^2 + 21626^2 .

It is a cyclic number.

It is not a de Polignac number, because 998110837 - 2¹⁵ = 998078069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998110237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499055418 + 499055419.

It is an arithmetic number, because the mean of its divisors is an integer number (499055419).

Almost surely, 2^998110837 is an apocalyptic number.

It is an amenable number.

998110837 is a deficient number, since it is larger than the sum of its proper divisors (1).

998110837 is an equidigital number, since it uses as much as digits as its factorization.

998110837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 998110837 is about 31592.8921911243. The cubic root of 998110837 is about 999.3698820347.

The spelling of 998110837 in words is "nine hundred ninety-eight million, one hundred ten thousand, eight hundred thirty-seven".