290995652 has 12 divisors (see below), whose sum is σ = 518851116. Its totient is φ = 142752480.

The previous prime is 290995637. The next prime is 290995669. The reversal of 290995652 is 256599092.

It can be written as a sum of positive squares in 2 ways, for example, as 260370496 + 30625156 = 16136^2 + 5534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 290995597 and 290995606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 686099 + ... + 686522.

It is an arithmetic number, because the mean of its divisors is an integer number (43237593).

Almost surely, 2^290995652 is an apocalyptic number.

It is an amenable number.

290995652 is a deficient number, since it is larger than the sum of its proper divisors (227855464).

290995652 is a wasteful number, since it uses less digits than its factorization.

290995652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372678 (or 1372676 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 290995652 is about 17058.5946666189. The cubic root of 290995652 is about 662.6672382828.

The spelling of 290995652 in words is "two hundred ninety million, nine hundred ninety-five thousand, six hundred fifty-two".