290505483 has 6 divisors (see below), whose sum is σ = 419619044. Its totient is φ = 193670316.

The previous prime is 290505473. The next prime is 290505487. The reversal of 290505483 is 384505092.

It is not a de Polignac number, because 290505483 - 2⁶ = 290505419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290505487) 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 5 ways as a sum of consecutive naturals, for example, 16139185 + ... + 16139202.

Almost surely, 2^290505483 is an apocalyptic number.

290505483 is a deficient number, since it is larger than the sum of its proper divisors (129113561).

290505483 is a wasteful number, since it uses less digits than its factorization.

290505483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32278393 (or 32278390 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 290505483 is about 17044.2213961213. The cubic root of 290505483 is about 662.2949515183.

The spelling of 290505483 in words is "two hundred ninety million, five hundred five thousand, four hundred eighty-three".