290004401 has 8 divisors (see below), whose sum is σ = 303061824. Its totient is φ = 276984400.

The previous prime is 290004389. The next prime is 290004433. The reversal of 290004401 is 104400092.

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

It is a de Polignac number, because none of the positive numbers 2^k-290004401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290004461) 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 in 7 ways as a sum of consecutive naturals, for example, 7130 + ... + 25116.

It is an arithmetic number, because the mean of its divisors is an integer number (37882728).

Almost surely, 2^290004401 is an apocalyptic number.

It is an amenable number.

290004401 is a deficient number, since it is larger than the sum of its proper divisors (13057423).

290004401 is a wasteful number, since it uses less digits than its factorization.

290004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 290004401 is about 17029.5155832455. The cubic root of 290004401 is about 661.9139431403.

Adding to 290004401 its reverse (104400092), we get a palindrome (394404493).

The spelling of 290004401 in words is "two hundred ninety million, four thousand, four hundred one".