98089215 has 32 divisors (see below), whose sum is σ = 180051456. Its totient is φ = 44668800.

The previous prime is 98089171. The next prime is 98089217. The reversal of 98089215 is 51298089.

It is a happy number.

It is a Cunningham number, because it is equal to 9904²-1.

It is not a de Polignac number, because 98089215 - 2⁷ = 98089087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98089217) 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, 28065 + ... + 31365.

It is an arithmetic number, because the mean of its divisors is an integer number (5626608).

Almost surely, 2^98089215 is an apocalyptic number.

98089215 is a deficient number, since it is larger than the sum of its proper divisors (81962241).

98089215 is a wasteful number, since it uses less digits than its factorization.

98089215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 98089215 is about 9903.9999495153. Note that the first 4 decimals coincide. The cubic root of 98089215 is about 461.1834915599.

The spelling of 98089215 in words is "ninety-eight million, eighty-nine thousand, two hundred fifteen".