998536896 has 210 divisors, whose sum is σ = 3444113508. Its totient is φ = 285223680.

The previous prime is 998536883. The next prime is 998536897. The reversal of 998536896 is 698635899.

998536896 is a `hidden beast` number, since 9 + 9 + 8 + 536 + 8 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (998536897) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 252051 + ... + 255981.

Almost surely, 2^998536896 is an apocalyptic number.

998536896 is a gapful number since it is divisible by the number (96) 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 998536896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722056754).

998536896 is an abundant number, since it is smaller than the sum of its proper divisors (2445576612).

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

998536896 is a wasteful number, since it uses less digits than its factorization.

998536896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3943 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The square root of 998536896 is about 31599.6344282651. The cubic root of 998536896 is about 999.5120606206.

The spelling of 998536896 in words is "nine hundred ninety-eight million, five hundred thirty-six thousand, eight hundred ninety-six".