290093 has 4 divisors (see below), whose sum is σ = 292320. Its totient is φ = 287868.

The previous prime is 290083. The next prime is 290107. The reversal of 290093 is 390092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 290093 - 2⁸ = 289837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290023) 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, 905 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2²⁹⁰⁰⁹³ is an apocalyptic number.

It is an amenable number.

290093 is a deficient number, since it is larger than the sum of its proper divisors (2227).

290093 is a wasteful number, since it uses less digits than its factorization.

290093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 290093 is about 538.6028221241. The cubic root of 290093 is about 66.1981343201.

Subtracting 290093 from its reverse (390092), we obtain a palindrome (99999).

The spelling of 290093 in words is "two hundred ninety thousand, ninety-three".