290349490 has 16 divisors (see below), whose sum is σ = 529246080. Its totient is φ = 114669360.

The previous prime is 290349487. The next prime is 290349517. The reversal of 290349490 is 94943092.

290349490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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, 182976 + ... + 184555.

It is an arithmetic number, because the mean of its divisors is an integer number (33077880).

Almost surely, 2^290349490 is an apocalyptic number.

290349490 is a deficient number, since it is larger than the sum of its proper divisors (238896590).

290349490 is a wasteful number, since it uses less digits than its factorization.

290349490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367617.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 290349490 is about 17039.6446559193. The cubic root of 290349490 is about 662.1763859145.

The spelling of 290349490 in words is "two hundred ninety million, three hundred forty-nine thousand, four hundred ninety".