998421162 has 16 divisors (see below), whose sum is σ = 1997563680. Its totient is φ = 332686832.

The previous prime is 998421133. The next prime is 998421163. The reversal of 998421162 is 261124899.

998421162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (998421163) 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, 11148 + ... + 46055.

It is an arithmetic number, because the mean of its divisors is an integer number (124847730).

Almost surely, 2^998421162 is an apocalyptic number.

998421162 is an abundant number, since it is smaller than the sum of its proper divisors (999142518).

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

998421162 is a wasteful number, since it uses less digits than its factorization.

998421162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60117.

The product of its digits is 62208, while the sum is 42.

The square root of 998421162 is about 31597.8031198373. The cubic root of 998421162 is about 999.4734434535.

The spelling of 998421162 in words is "nine hundred ninety-eight million, four hundred twenty-one thousand, one hundred sixty-two".