998412 has 48 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 302400.

The previous prime is 998411. The next prime is 998419. The reversal of 998412 is 214899.

998412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (998411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (53200).

2⁹⁹⁸⁴¹² 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 998412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276800).

998412 is an abundant number, since it is smaller than the sum of its proper divisors (1555188).

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

998412 is a wasteful number, since it uses less digits than its factorization.

998412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 204 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 998412 is about 999.2056845315. The cubic root of 998412 is about 99.9470386225.

The spelling of 998412 in words is "nine hundred ninety-eight thousand, four hundred twelve".