98213865 has 16 divisors (see below), whose sum is σ = 162561600. Its totient is φ = 50574272.

The previous prime is 98213861. The next prime is 98213881. The reversal of 98213865 is 56831289.

It is a cyclic number.

It is not a de Polignac number, because 98213865 - 2² = 98213861 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98213861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112455 + ... + 113324.

It is an arithmetic number, because the mean of its divisors is an integer number (10160100).

Almost surely, 2^98213865 is an apocalyptic number.

It is an amenable number.

98213865 is a deficient number, since it is larger than the sum of its proper divisors (64347735).

98213865 is a wasteful number, since it uses less digits than its factorization.

98213865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225816.

The product of its digits is 103680, while the sum is 42.

The square root of 98213865 is about 9910.2908635418. The cubic root of 98213865 is about 461.3787634133.

The spelling of 98213865 in words is "ninety-eight million, two hundred thirteen thousand, eight hundred sixty-five".