290429 has 2 divisors, whose sum is σ = 290430. Its totient is φ = 290428.

The previous prime is 290419. The next prime is 290441. The reversal of 290429 is 924092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273529 + 16900 = 523^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 290429 - 2¹² = 286333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 290398 and 290407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290429.

It is not a weakly prime, because it can be changed into another prime (290419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145214 + 145215.

It is an arithmetic number, because the mean of its divisors is an integer number (145215).

2²⁹⁰⁴²⁹ is an apocalyptic number.

It is an amenable number.

290429 is a deficient number, since it is larger than the sum of its proper divisors (1).

290429 is an equidigital number, since it uses as much as digits as its factorization.

290429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 290429 is about 538.9146500143. The cubic root of 290429 is about 66.2236824387.

The spelling of 290429 in words is "two hundred ninety thousand, four hundred twenty-nine".