290534441 has 4 divisors (see below), whose sum is σ = 300552900. Its totient is φ = 280515984.

The previous prime is 290534423. The next prime is 290534477. The reversal of 290534441 is 144435092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139736041 + 150798400 = 11821^2 + 12280^2 .

It is a cyclic number.

It is not a de Polignac number, because 290534441 - 2¹⁴ = 290518057 is a prime.

It is a super-2 number, since 2×290534441² = 168820522814364962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 290534398 and 290534407.

It is not an unprimeable number, because it can be changed into a prime (290534411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009186 + ... + 5009243.

It is an arithmetic number, because the mean of its divisors is an integer number (75138225).

Almost surely, 2^290534441 is an apocalyptic number.

It is an amenable number.

290534441 is a deficient number, since it is larger than the sum of its proper divisors (10018459).

290534441 is a wasteful number, since it uses less digits than its factorization.

290534441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018458.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 290534441 is about 17045.0708710759. The cubic root of 290534441 is about 662.3169569549.

The spelling of 290534441 in words is "two hundred ninety million, five hundred thirty-four thousand, four hundred forty-one".