998773361 has 8 divisors (see below), whose sum is σ = 1052906880. Its totient is φ = 944796528.

The previous prime is 998773357. The next prime is 998773381. The reversal of 998773361 is 163377899.

It is a happy number.

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 998773361 - 2² = 998773357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998773331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25961 + ... + 51686.

It is an arithmetic number, because the mean of its divisors is an integer number (131613360).

Almost surely, 2^998773361 is an apocalyptic number.

It is an amenable number.

998773361 is a deficient number, since it is larger than the sum of its proper divisors (54133519).

998773361 is a wasteful number, since it uses less digits than its factorization.

998773361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78343.

The product of its digits is 1714608, while the sum is 53.

The square root of 998773361 is about 31603.3757848746. The cubic root of 998773361 is about 999.5909530367.

The spelling of 998773361 in words is "nine hundred ninety-eight million, seven hundred seventy-three thousand, three hundred sixty-one".