290059993 has 2 divisors, whose sum is σ = 290059994. Its totient is φ = 290059992.

The previous prime is 290059949. The next prime is 290060011. The reversal of 290059993 is 399950092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147209689 + 142850304 = 12133^2 + 11952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290059993 is a prime.

It is not a weakly prime, because it can be changed into another prime (290059193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145029996 + 145029997.

It is an arithmetic number, because the mean of its divisors is an integer number (145029997).

Almost surely, 2^290059993 is an apocalyptic number.

It is an amenable number.

290059993 is a deficient number, since it is larger than the sum of its proper divisors (1).

290059993 is an equidigital number, since it uses as much as digits as its factorization.

290059993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 290059993 is about 17031.1477299682. The cubic root of 290059993 is about 661.9562353363.

The spelling of 290059993 in words is "two hundred ninety million, fifty-nine thousand, nine hundred ninety-three".