99290 has 8 divisors (see below), whose sum is σ = 178740. Its totient is φ = 39712.

The previous prime is 99289. The next prime is 99317. The reversal of 99290 is 9299.

99290 is nontrivially palindromic in base 6 and base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 94249 + 5041 = 307^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

99290 is an undulating number in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4955 + ... + 4974.

2⁹⁹²⁹⁰ is an apocalyptic number.

99290 is a deficient number, since it is larger than the sum of its proper divisors (79450).

99290 is a wasteful number, since it uses less digits than its factorization.

99290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 99290 is about 315.1031577119. The cubic root of 99290 is about 46.3057763895.

The spelling of 99290 in words is "ninety-nine thousand, two hundred ninety".