998765411 has 8 divisors (see below), whose sum is σ = 1143793920. Its totient is φ = 854323848.

The previous prime is 998765407. The next prime is 998765431. The reversal of 998765411 is 114567899.

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

It is not a de Polignac number, because 998765411 - 2² = 998765407 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 998765411.

It is not an unprimeable number, because it can be changed into a prime (998765431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143081 + ... + 149898.

It is an arithmetic number, because the mean of its divisors is an integer number (142974240).

Almost surely, 2^998765411 is an apocalyptic number.

998765411 is a deficient number, since it is larger than the sum of its proper divisors (145028509).

998765411 is a wasteful number, since it uses less digits than its factorization.

998765411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293473.

The product of its digits is 544320, while the sum is 50.

The square root of 998765411 is about 31603.2500069218. The cubic root of 998765411 is about 999.5883008604.

The spelling of 998765411 in words is "nine hundred ninety-eight million, seven hundred sixty-five thousand, four hundred eleven".