290408842 has 16 divisors (see below), whose sum is σ = 461118240. Its totient is φ = 136935792.

The previous prime is 290408827. The next prime is 290408843. The reversal of 290408842 is 248804092.

It is not an unprimeable number, because it can be changed into a prime (290408843) by changing a digit.

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, 55728 + ... + 60715.

It is an arithmetic number, because the mean of its divisors is an integer number (28819890).

Almost surely, 2^290408842 is an apocalyptic number.

290408842 is a deficient number, since it is larger than the sum of its proper divisors (170709398).

290408842 is a wasteful number, since it uses less digits than its factorization.

290408842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116517.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 290408842 is about 17041.3861525405. The cubic root of 290408842 is about 662.2215025946.

The spelling of 290408842 in words is "two hundred ninety million, four hundred eight thousand, eight hundred forty-two".