998279548 has 36 divisors (see below), whose sum is σ = 2039696400. Its totient is φ = 427332528.

The previous prime is 998279519. The next prime is 998279561. The reversal of 998279548 is 845972899.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1169890 + ... + 1170742.

Almost surely, 2^998279548 is an apocalyptic number.

998279548 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998279548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019848200).

998279548 is an abundant number, since it is smaller than the sum of its proper divisors (1041416852).

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

998279548 is an frugal number, since it uses more digits than its factorization.

998279548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 862 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The square root of 998279548 is about 31595.5621567333. The cubic root of 998279548 is about 999.4261868014.

The spelling of 998279548 in words is "nine hundred ninety-eight million, two hundred seventy-nine thousand, five hundred forty-eight".