998133412 has 24 divisors (see below), whose sum is σ = 1804561920. Its totient is φ = 482570880.

The previous prime is 998133373. The next prime is 998133413. The reversal of 998133412 is 214331899.

It is not an unprimeable number, because it can be changed into a prime (998133413) 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, 196764 + ... + 201772.

It is an arithmetic number, because the mean of its divisors is an integer number (75190080).

Almost surely, 2^998133412 is an apocalyptic number.

It is an amenable number.

998133412 is a deficient number, since it is larger than the sum of its proper divisors (806428508).

998133412 is a wasteful number, since it uses less digits than its factorization.

998133412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651 (or 6649 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 998133412 is about 31593.2494688343. The cubic root of 998133412 is about 999.3774164702.

The spelling of 998133412 in words is "nine hundred ninety-eight million, one hundred thirty-three thousand, four hundred twelve".