302240 has 24 divisors (see below), whose sum is σ = 714420. Its totient is φ = 120832.

The previous prime is 302227. The next prime is 302261. The reversal of 302240 is 42203.

It can be written as a sum of positive squares in 2 ways, for example, as 300304 + 1936 = 548^2 + 44^2 .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 1104.

2³⁰²²⁴⁰ is an apocalyptic number.

It is an amenable number.

302240 is an abundant number, since it is smaller than the sum of its proper divisors (412180).

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

302240 is a wasteful number, since it uses less digits than its factorization.

302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 302240 is about 549.7635855529. The cubic root of 302240 is about 67.1094964582.

Adding to 302240 its reverse (42203), we get a palindrome (344443).

The spelling of 302240 in words is "three hundred two thousand, two hundred forty", and thus it is an iban number.