290868083 has 8 divisors (see below), whose sum is σ = 318328176. Its totient is φ = 263577600.

The previous prime is 290868073. The next prime is 290868089. The reversal of 290868083 is 380868092.

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

It is not a de Polignac number, because 290868083 - 2¹² = 290863987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290868089) 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, 38798 + ... + 45683.

It is an arithmetic number, because the mean of its divisors is an integer number (39791022).

Almost surely, 2^290868083 is an apocalyptic number.

290868083 is a deficient number, since it is larger than the sum of its proper divisors (27460093).

290868083 is a wasteful number, since it uses less digits than its factorization.

290868083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84805.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 290868083 is about 17054.8551151864. The cubic root of 290868083 is about 662.5703890086.

Subtracting 290868083 from its reverse (380868092), we obtain a palindrome (90000009).

The spelling of 290868083 in words is "two hundred ninety million, eight hundred sixty-eight thousand, eighty-three".