290828284 has 24 divisors (see below), whose sum is σ = 532939680. Its totient is φ = 138604224.

The previous prime is 290828273. The next prime is 290828341. The reversal of 290828284 is 482828092.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 290828284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21562 + ... + 32350.

It is an arithmetic number, because the mean of its divisors is an integer number (22205820).

Almost surely, 2^290828284 is an apocalyptic number.

It is an amenable number.

290828284 is a deficient number, since it is larger than the sum of its proper divisors (242111396).

290828284 is a wasteful number, since it uses less digits than its factorization.

290828284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109 (or 11107 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 290828284 is about 17053.6882814246. The cubic root of 290828284 is about 662.5401681590.

The spelling of 290828284 in words is "two hundred ninety million, eight hundred twenty-eight thousand, two hundred eighty-four".