290047 has 2 divisors, whose sum is σ = 290048. Its totient is φ = 290046.

The previous prime is 290041. The next prime is 290057. The reversal of 290047 is 740092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290047 - 2³ = 290039 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145023 + 145024.

It is an arithmetic number, because the mean of its divisors is an integer number (145024).

2²⁹⁰⁰⁴⁷ is an apocalyptic number.

290047 is a deficient number, since it is larger than the sum of its proper divisors (1).

290047 is an equidigital number, since it uses as much as digits as its factorization.

290047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 290047 is about 538.5601173500. The cubic root of 290047 is about 66.1946351259.

The spelling of 290047 in words is "two hundred ninety thousand, forty-seven".