290327663 has 8 divisors (see below), whose sum is σ = 292626432. Its totient is φ = 288035896.

The previous prime is 290327659. The next prime is 290327669. The reversal of 290327663 is 366723092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290327663 - 2² = 290327659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290327669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106706 + ... + 109392.

It is an arithmetic number, because the mean of its divisors is an integer number (36578304).

Almost surely, 2^290327663 is an apocalyptic number.

290327663 is a deficient number, since it is larger than the sum of its proper divisors (2298769).

290327663 is a wasteful number, since it uses less digits than its factorization.

290327663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 290327663 is about 17039.0041669107. The cubic root of 290327663 is about 662.1597924795.

The spelling of 290327663 in words is "two hundred ninety million, three hundred twenty-seven thousand, six hundred sixty-three".