290241636 has 24 divisors (see below), whose sum is σ = 680273664. Its totient is φ = 96312480.

The previous prime is 290241619. The next prime is 290241647. The reversal of 290241636 is 636142092.

It is a junction number, because it is equal to n+sod(n) for n = 290241597 and 290241606.

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 7 ways as a sum of consecutive naturals, for example, 51555 + ... + 56906.

It is an arithmetic number, because the mean of its divisors is an integer number (28344736).

Almost surely, 2^290241636 is an apocalyptic number.

It is an amenable number.

290241636 is an abundant number, since it is smaller than the sum of its proper divisors (390032028).

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

290241636 is a wasteful number, since it uses less digits than its factorization.

290241636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108691 (or 108689 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 290241636 is about 17036.4795659197. The cubic root of 290241636 is about 662.0943844883.

The spelling of 290241636 in words is "two hundred ninety million, two hundred forty-one thousand, six hundred thirty-six".