290530424 has 8 divisors (see below), whose sum is σ = 544744560. Its totient is φ = 145265208.

The previous prime is 290530417. The next prime is 290530441. The reversal of 290530424 is 424035092.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18158144 + ... + 18158159.

It is an arithmetic number, because the mean of its divisors is an integer number (68093070).

Almost surely, 2^290530424 is an apocalyptic number.

It is an amenable number.

290530424 is a deficient number, since it is larger than the sum of its proper divisors (254214136).

290530424 is a wasteful number, since it uses less digits than its factorization.

290530424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36316309 (or 36316305 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 290530424 is about 17044.9530360163. The cubic root of 290530424 is about 662.3139044889.

The spelling of 290530424 in words is "two hundred ninety million, five hundred thirty thousand, four hundred twenty-four".