98644965 has 32 divisors (see below), whose sum is σ = 168448896. Its totient is φ = 49121280.

The previous prime is 98644939. The next prime is 98644969. The reversal of 98644965 is 56944689.

It is not a de Polignac number, because 98644965 - 2⁶ = 98644901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98644969) 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, 31929 + ... + 34881.

It is an arithmetic number, because the mean of its divisors is an integer number (5264028).

Almost surely, 2^98644965 is an apocalyptic number.

It is an amenable number.

98644965 is a deficient number, since it is larger than the sum of its proper divisors (69803931).

98644965 is a wasteful number, since it uses less digits than its factorization.

98644965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109.

The product of its digits is 1866240, while the sum is 51.

The square root of 98644965 is about 9932.0171667190. The cubic root of 98644965 is about 462.0528368573.

The spelling of 98644965 in words is "ninety-eight million, six hundred forty-four thousand, nine hundred sixty-five".