290767242 has 64 divisors (see below), whose sum is σ = 622080000. Its totient is φ = 90412608.

The previous prime is 290767231. The next prime is 290767271. The reversal of 290767242 is 242767092.

It is a self number, because there is not a number n which added to its sum of digits gives 290767242.

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 in 31 ways as a sum of consecutive naturals, for example, 1624309 + ... + 1624487.

It is an arithmetic number, because the mean of its divisors is an integer number (9720000).

Almost surely, 2^290767242 is an apocalyptic number.

290767242 is an abundant number, since it is smaller than the sum of its proper divisors (331312758).

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

290767242 is a wasteful number, since it uses less digits than its factorization.

290767242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 290767242 is about 17051.8984866788. The cubic root of 290767242 is about 662.4938113579.

The spelling of 290767242 in words is "two hundred ninety million, seven hundred sixty-seven thousand, two hundred forty-two".