290464697 has 2 divisors, whose sum is σ = 290464698. Its totient is φ = 290464696.

The previous prime is 290464687. The next prime is 290464709. The reversal of 290464697 is 796464092.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272283001 + 18181696 = 16501^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 290464697 - 2¹⁰ = 290463673 is a prime.

It is not a weakly prime, because it can be changed into another prime (290464607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145232348 + 145232349.

It is an arithmetic number, because the mean of its divisors is an integer number (145232349).

Almost surely, 2^290464697 is an apocalyptic number.

It is an amenable number.

290464697 is a deficient number, since it is larger than the sum of its proper divisors (1).

290464697 is an equidigital number, since it uses as much as digits as its factorization.

290464697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 290464697 is about 17043.0248782310. The cubic root of 290464697 is about 662.2639554009.

The spelling of 290464697 in words is "two hundred ninety million, four hundred sixty-four thousand, six hundred ninety-seven".