998941152 has 144 divisors (see below), whose sum is σ = 3008396160. Its totient is φ = 289470720.

The previous prime is 998941121. The next prime is 998941157. The reversal of 998941152 is 251149899.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998941157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265299 + ... + 269037.

It is an arithmetic number, because the mean of its divisors is an integer number (20891640).

Almost surely, 2^998941152 is an apocalyptic number.

998941152 is a gapful number since it is divisible by the number (92) 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 998941152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504198080).

998941152 is an abundant number, since it is smaller than the sum of its proper divisors (2009455008).

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

998941152 is a wasteful number, since it uses less digits than its factorization.

998941152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3778 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The square root of 998941152 is about 31606.0303106860. The cubic root of 998941152 is about 999.6469260201.

The spelling of 998941152 in words is "nine hundred ninety-eight million, nine hundred forty-one thousand, one hundred fifty-two".