290104693 has 2 divisors, whose sum is σ = 290104694. Its totient is φ = 290104692.

The previous prime is 290104663. The next prime is 290104697. The reversal of 290104693 is 396401092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254785444 + 35319249 = 15962^2 + 5943^2 .

It is a cyclic number.

It is not a de Polignac number, because 290104693 - 2⁹ = 290104181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290104697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145052346 + 145052347.

It is an arithmetic number, because the mean of its divisors is an integer number (145052347).

Almost surely, 2^290104693 is an apocalyptic number.

It is an amenable number.

290104693 is a deficient number, since it is larger than the sum of its proper divisors (1).

290104693 is an equidigital number, since it uses as much as digits as its factorization.

290104693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 290104693 is about 17032.4599808718. The cubic root of 290104693 is about 661.9902374101.

The spelling of 290104693 in words is "two hundred ninety million, one hundred four thousand, six hundred ninety-three".