290516268 has 48 divisors (see below), whose sum is σ = 784062720. Its totient is φ = 82002624.

The previous prime is 290516257. The next prime is 290516269. The reversal of 290516268 is 862615092.

It is not an unprimeable number, because it can be changed into a prime (290516269) 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 15 ways as a sum of consecutive naturals, for example, 13863 + ... + 27806.

It is an arithmetic number, because the mean of its divisors is an integer number (16334640).

Almost surely, 2^290516268 is an apocalyptic number.

290516268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

290516268 is an abundant number, since it is smaller than the sum of its proper divisors (493546452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290516268 is a wasteful number, since it uses less digits than its factorization.

290516268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41766 (or 41764 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 290516268 is about 17044.5377760736. The cubic root of 290516268 is about 662.3031473047.

The spelling of 290516268 in words is "two hundred ninety million, five hundred sixteen thousand, two hundred sixty-eight".