998141272 has 8 divisors (see below), whose sum is σ = 1871514900. Its totient is φ = 499070632.

The previous prime is 998141251. The next prime is 998141273. The reversal of 998141272 is 272141899.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998141273) 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 as a sum of consecutive naturals, namely, 62383822 + ... + 62383837.

Almost surely, 2^998141272 is an apocalyptic number.

It is an amenable number.

998141272 is a deficient number, since it is larger than the sum of its proper divisors (873373628).

998141272 is a wasteful number, since it uses less digits than its factorization.

998141272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124767665 (or 124767661 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 998141272 is about 31593.3738622516. The cubic root of 998141272 is about 999.3800397287.

The spelling of 998141272 in words is "nine hundred ninety-eight million, one hundred forty-one thousand, two hundred seventy-two".