898908984 has 96 divisors (see below), whose sum is σ = 2551011840. Its totient is φ = 285595200.

The previous prime is 898908979. The next prime is 898909003. The reversal of 898908984 is 489809898.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146539 + ... + 152549.

It is an arithmetic number, because the mean of its divisors is an integer number (26573040).

Almost surely, 2^898908984 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 898908984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275505920).

898908984 is an abundant number, since it is smaller than the sum of its proper divisors (1652102856).

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

898908984 is a wasteful number, since it uses less digits than its factorization.

898908984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121 (or 6114 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The square root of 898908984 is about 29981.8108859355. The cubic root of 898908984 is about 965.0990919031.

The spelling of 898908984 in words is "eight hundred ninety-eight million, nine hundred eight thousand, nine hundred eighty-four".