999998096472 has 192 divisors, whose sum is σ = 2940084725760. Its totient is φ = 318035289600.

The previous prime is 999998096443. The next prime is 999998096477. The reversal of 999998096472 is 274690899999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 999998096391 and 999998096400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999998096477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4161888 + ... + 4395600.

It is an arithmetic number, because the mean of its divisors is an integer number (15312941280).

Almost surely, 2^999998096472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999998096472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470042362880).

999998096472 is an abundant number, since it is smaller than the sum of its proper divisors (1940086629288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999998096472 is a wasteful number, since it uses less digits than its factorization.

999998096472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233836 (or 233820 counting only the distinct ones).

The product of its (nonzero) digits is 1428513408, while the sum is 81.

The spelling of 999998096472 in words is "nine hundred ninety-nine billion, nine hundred ninety-eight million, ninety-six thousand, four hundred seventy-two".