290948612 has 48 divisors (see below), whose sum is σ = 539524608. Its totient is φ = 137116800.

The previous prime is 290948611. The next prime is 290948617. The reversal of 290948612 is 216849092.

It is a self number, because there is not a number n which added to its sum of digits gives 290948612.

It is not an unprimeable number, because it can be changed into a prime (290948611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050218 + ... + 1050494.

It is an arithmetic number, because the mean of its divisors is an integer number (11240096).

Almost surely, 2^290948612 is an apocalyptic number.

It is an amenable number.

290948612 is a deficient number, since it is larger than the sum of its proper divisors (248575996).

290948612 is a wasteful number, since it uses less digits than its factorization.

290948612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 290948612 is about 17057.2158337755. The cubic root of 290948612 is about 662.6315292192.

The spelling of 290948612 in words is "two hundred ninety million, nine hundred forty-eight thousand, six hundred twelve".