290000693 has 2 divisors, whose sum is σ = 290000694. Its totient is φ = 290000692.

The previous prime is 290000687. The next prime is 290000699. The reversal of 290000693 is 396000092.

It is a balanced prime because it is at equal distance from previous prime (290000687) and next prime (290000699).

It can be written as a sum of positive squares in only one way, i.e., 261889489 + 28111204 = 16183^2 + 5302^2 .

It is a cyclic number.

It is not a de Polignac number, because 290000693 - 2¹⁰ = 289999669 is a prime.

290000693 is a modest number, since divided by 693 gives 290 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290000699) 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, 145000346 + 145000347.

It is an arithmetic number, because the mean of its divisors is an integer number (145000347).

Almost surely, 2^290000693 is an apocalyptic number.

It is an amenable number.

290000693 is a deficient number, since it is larger than the sum of its proper divisors (1).

290000693 is an equidigital number, since it uses as much as digits as its factorization.

290000693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 290000693 is about 17029.4067130949. The cubic root of 290000693 is about 661.9111220482.

The spelling of 290000693 in words is "two hundred ninety million, six hundred ninety-three", and thus it is an aban number.