998055464 has 64 divisors (see below), whose sum is σ = 2213861760. Its totient is φ = 412888320.

The previous prime is 998055439. The next prime is 998055467. The reversal of 998055464 is 464550899.

It is a super-2 number, since 2×998055464² = 1992229418440510592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (998055467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269594 + ... + 273270.

It is an arithmetic number, because the mean of its divisors is an integer number (34591590).

Almost surely, 2^998055464 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 998055464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106930880).

998055464 is an abundant number, since it is smaller than the sum of its proper divisors (1215806296).

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

998055464 is a wasteful number, since it uses less digits than its factorization.

998055464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 998055464 is about 31592.0158267876. The cubic root of 998055464 is about 999.3514007433.

The spelling of 998055464 in words is "nine hundred ninety-eight million, fifty-five thousand, four hundred sixty-four".