290099 has 4 divisors (see below), whose sum is σ = 302736. Its totient is φ = 277464.

The previous prime is 290083. The next prime is 290107. The reversal of 290099 is 990092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290099 - 2⁴ = 290083 is a prime.

It is a Duffinian number.

290099 is a modest number, since divided by 99 gives 29 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290099.

It is not an unprimeable number, because it can be changed into a prime (290039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6284 + ... + 6329.

It is an arithmetic number, because the mean of its divisors is an integer number (75684).

2²⁹⁰⁰⁹⁹ is an apocalyptic number.

290099 is a deficient number, since it is larger than the sum of its proper divisors (12637).

290099 is a wasteful number, since it uses less digits than its factorization.

290099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636.

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

The square root of 290099 is about 538.6083920624. The cubic root of 290099 is about 66.1985907094.

The spelling of 290099 in words is "two hundred ninety thousand, ninety-nine".