98387289 has 96 divisors (see below), whose sum is σ = 194847744. Its totient is φ = 46189440.

The previous prime is 98387189. The next prime is 98387291. The reversal of 98387289 is 98278389.

It is not a de Polignac number, because 98387289 - 2¹² = 98383193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98387189) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 603522 + ... + 603684.

It is an arithmetic number, because the mean of its divisors is an integer number (2029664).

Almost surely, 2^98387289 is an apocalyptic number.

98387289 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

98387289 is a deficient number, since it is larger than the sum of its proper divisors (96460455).

98387289 is a wasteful number, since it uses less digits than its factorization.

98387289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 98387289 is about 9919.0366971798. The cubic root of 98387289 is about 461.6501680704.

Subtracting from 98387289 its reverse (98278389), we obtain a square (108900 = 330²).

The spelling of 98387289 in words is "ninety-eight million, three hundred eighty-seven thousand, two hundred eighty-nine".