998141265 has 64 divisors (see below), whose sum is σ = 1944518400. Its totient is φ = 481766400.

The previous prime is 998141251. The next prime is 998141273. The reversal of 998141265 is 562141899.

It is not a de Polignac number, because 998141265 - 2⁵ = 998141233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 998141265.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 356491 + ... + 359279.

It is an arithmetic number, because the mean of its divisors is an integer number (30383100).

Almost surely, 2^998141265 is an apocalyptic number.

It is an amenable number.

998141265 is a deficient number, since it is larger than the sum of its proper divisors (946377135).

998141265 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (998141264) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (3049).

998141265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3049 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 998141265 is about 31593.3737514688. The cubic root of 998141265 is about 999.3800373925.

The spelling of 998141265 in words is "nine hundred ninety-eight million, one hundred forty-one thousand, two hundred sixty-five".