98090 has 16 divisors (see below), whose sum is σ = 187272. Its totient is φ = 36864.

The previous prime is 98081. The next prime is 98101. The reversal of 98090 is 9089.

98090 = T₁₆ + T₁₇ + ... + T₈₃.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97969 + 121 = 313^2 + 11^2 .

It is a Curzon number.

It is a zygodrome in base 3.

It is an unprimeable number.

98090 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 458.

2⁹⁸⁰⁹⁰ is an apocalyptic number.

98090 is a deficient number, since it is larger than the sum of its proper divisors (89182).

98090 is a wasteful number, since it uses less digits than its factorization.

98090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 98090 is about 313.1932310891. The cubic root of 98090 is about 46.1184721828.

The spelling of 98090 in words is "ninety-eight thousand, ninety".