290990126 has 24 divisors (see below), whose sum is σ = 521477496. Its totient is φ = 121338000.

The previous prime is 290990123. The next prime is 290990129. The reversal of 290990126 is 621099092.

It is an interprime number because it is at equal distance from previous prime (290990123) and next prime (290990129).

It is a self number, because there is not a number n which added to its sum of digits gives 290990126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290990123) 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 11 ways as a sum of consecutive naturals, for example, 36500 + ... + 43751.

It is an arithmetic number, because the mean of its divisors is an integer number (21728229).

Almost surely, 2^290990126 is an apocalyptic number.

290990126 is a deficient number, since it is larger than the sum of its proper divisors (230487370).

290990126 is a wasteful number, since it uses less digits than its factorization.

290990126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80304 (or 80297 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 290990126 is about 17058.4326947114. The cubic root of 290990126 is about 662.6630435782.

The spelling of 290990126 in words is "two hundred ninety million, nine hundred ninety thousand, one hundred twenty-six".