290945468 has 18 divisors (see below), whose sum is σ = 559650168. Its totient is φ = 132247720.

The previous prime is 290945449. The next prime is 290945491. The reversal of 290945468 is 864549092.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300080 + ... + 301047.

It is an arithmetic number, because the mean of its divisors is an integer number (31091676).

Almost surely, 2^290945468 is an apocalyptic number.

It is an amenable number.

290945468 is a deficient number, since it is larger than the sum of its proper divisors (268704700).

290945468 is a wasteful number, since it uses less digits than its factorization.

290945468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601153 (or 601140 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 290945468 is about 17057.1236731168. The cubic root of 290945468 is about 662.6291424048.

The spelling of 290945468 in words is "two hundred ninety million, nine hundred forty-five thousand, four hundred sixty-eight".