290212828 has 12 divisors (see below), whose sum is σ = 508561200. Its totient is φ = 144909632.

The previous prime is 290212817. The next prime is 290212841. The reversal of 290212828 is 828212092.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 290212793 and 290212802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45853 + ... + 51796.

It is an arithmetic number, because the mean of its divisors is an integer number (42380100).

Almost surely, 2^290212828 is an apocalyptic number.

It is an amenable number.

290212828 is a deficient number, since it is larger than the sum of its proper divisors (218348372).

290212828 is a wasteful number, since it uses less digits than its factorization.

290212828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98396 (or 98394 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 290212828 is about 17035.6340651001. The cubic root of 290212828 is about 662.0724783203.

The spelling of 290212828 in words is "two hundred ninety million, two hundred twelve thousand, eight hundred twenty-eight".