98509345 has 32 divisors (see below), whose sum is σ = 137769984. Its totient is φ = 66897600.

The previous prime is 98509343. The next prime is 98509381. The reversal of 98509345 is 54390589.

It is a happy number.

It is not a de Polignac number, because 98509345 - 2¹ = 98509343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (98509343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 53490 + ... + 55300.

It is an arithmetic number, because the mean of its divisors is an integer number (4305312).

Almost surely, 2^98509345 is an apocalyptic number.

It is an amenable number.

98509345 is a deficient number, since it is larger than the sum of its proper divisors (39260639).

98509345 is a wasteful number, since it uses less digits than its factorization.

98509345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 98509345 is about 9925.1874037723. The cubic root of 98509345 is about 461.8409917995.

The spelling of 98509345 in words is "ninety-eight million, five hundred nine thousand, three hundred forty-five".