290899268 has 12 divisors (see below), whose sum is σ = 555353232. Its totient is φ = 132226920.

The previous prime is 290899267. The next prime is 290899289. The reversal of 290899268 is 862998092.

It is a super-3 number, since 3×290899268³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (290899267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305630 + ... + 3305717.

It is an arithmetic number, because the mean of its divisors is an integer number (46279436).

Almost surely, 2^290899268 is an apocalyptic number.

It is an amenable number.

290899268 is a deficient number, since it is larger than the sum of its proper divisors (264453964).

290899268 is a wasteful number, since it uses less digits than its factorization.

290899268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611362 (or 6611360 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 290899268 is about 17055.7693464704. The cubic root of 290899268 is about 662.5940670037.

The spelling of 290899268 in words is "two hundred ninety million, eight hundred ninety-nine thousand, two hundred sixty-eight".