240308 has 6 divisors (see below), whose sum is σ = 420546. Its totient is φ = 120152.

The previous prime is 240287. The next prime is 240319. The reversal of 240308 is 803042.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 44944 = 442^2 + 212^2 .

It is a congruent number.

It is an unprimeable number.

240308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30035 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (70091).

2²⁴⁰³⁰⁸ is an apocalyptic number.

It is an amenable number.

240308 is a deficient number, since it is larger than the sum of its proper divisors (180238).

240308 is a wasteful number, since it uses less digits than its factorization.

240308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60081 (or 60079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240308 is about 490.2121989506. The cubic root of 240308 is about 62.1712228554.

It can be divided in two parts, 240 and 308, that multiplied together give a triangular number (73920 = T₃₈₄).

The spelling of 240308 in words is "two hundred forty thousand, three hundred eight".