290830242 has 16 divisors (see below), whose sum is σ = 595188000. Its totient is φ = 94688832.

The previous prime is 290830231. The next prime is 290830273. The reversal of 290830242 is 242038092.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563367 + ... + 563882.

It is an arithmetic number, because the mean of its divisors is an integer number (37199250).

Almost surely, 2^290830242 is an apocalyptic number.

290830242 is an abundant number, since it is smaller than the sum of its proper divisors (304357758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290830242 is a wasteful number, since it uses less digits than its factorization.

290830242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127297.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 290830242 is about 17053.7456882645. The cubic root of 290830242 is about 662.5416550052.

The spelling of 290830242 in words is "two hundred ninety million, eight hundred thirty thousand, two hundred forty-two".