98644000 has 192 divisors, whose sum is σ = 299400192. Its totient is φ = 31104000.

The previous prime is 98643997. The next prime is 98644009. The reversal of 98644000 is 44689.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98644009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363865 + ... + 364135.

It is an arithmetic number, because the mean of its divisors is an integer number (1559376).

Almost surely, 2^98644000 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 98644000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149700096).

98644000 is an abundant number, since it is smaller than the sum of its proper divisors (200756192).

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

98644000 is a wasteful number, since it uses less digits than its factorization.

98644000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 98644000 is about 9931.9685863378. The cubic root of 98644000 is about 462.0513301663.

Adding to 98644000 its reverse (44689), we get a palindrome (98688689).

The spelling of 98644000 in words is "ninety-eight million, six hundred forty-four thousand".