290552 has 8 divisors (see below), whose sum is σ = 544800. Its totient is φ = 145272.

The previous prime is 290539. The next prime is 290557. The reversal of 290552 is 255092.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290557) by changing a digit.

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, 18152 + ... + 18167.

It is an arithmetic number, because the mean of its divisors is an integer number (68100).

2²⁹⁰⁵⁵² is an apocalyptic number.

It is an amenable number.

290552 is a deficient number, since it is larger than the sum of its proper divisors (254248).

290552 is a wasteful number, since it uses less digits than its factorization.

290552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36325 (or 36321 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 290552 is about 539.0287561902. The cubic root of 290552 is about 66.2330299480.

The spelling of 290552 in words is "two hundred ninety thousand, five hundred fifty-two".