998194061 has 8 divisors (see below), whose sum is σ = 1006068600. Its totient is φ = 990335488.

The previous prime is 998194027. The next prime is 998194069. The reversal of 998194061 is 160491899.

It can be written as a sum of positive squares in 4 ways, for example, as 7896100 + 990297961 = 2810^2 + 31469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 998194061 - 2¹⁰ = 998193037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 998193997 and 998194015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998194069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142145 + ... + 149001.

It is an arithmetic number, because the mean of its divisors is an integer number (125758575).

Almost surely, 2^998194061 is an apocalyptic number.

It is an amenable number.

998194061 is a deficient number, since it is larger than the sum of its proper divisors (7874539).

998194061 is a wasteful number, since it uses less digits than its factorization.

998194061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 998194061 is about 31594.2092953756. The cubic root of 998194061 is about 999.3976575898.

The spelling of 998194061 in words is "nine hundred ninety-eight million, one hundred ninety-four thousand, sixty-one".