240388 has 12 divisors (see below), whose sum is σ = 442960. Its totient is φ = 113832.

The previous prime is 240379. The next prime is 240421. The reversal of 240388 is 883042.

240388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is an unprimeable number.

240388 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 in 3 ways as a sum of consecutive naturals, for example, 1506 + ... + 1657.

2²⁴⁰³⁸⁸ is an apocalyptic number.

It is an amenable number.

240388 is a deficient number, since it is larger than the sum of its proper divisors (202572).

240388 is a wasteful number, since it uses less digits than its factorization.

240388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 240388 is about 490.2937894773. The cubic root of 240388 is about 62.1781211498.

The spelling of 240388 in words is "two hundred forty thousand, three hundred eighty-eight".