240988 has 12 divisors (see below), whose sum is σ = 460152. Its totient is φ = 109520.

The previous prime is 240967. The next prime is 240997. The reversal of 240988 is 889042.

It is a super-2 number, since 2×240988² = 116150432288, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2695 + ... + 2782.

It is an arithmetic number, because the mean of its divisors is an integer number (38346).

2²⁴⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

240988 is a deficient number, since it is larger than the sum of its proper divisors (219164).

240988 is a wasteful number, since it uses less digits than its factorization.

240988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5490 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 240988 is about 490.9052861805. The cubic root of 240988 is about 62.2298096379.

The spelling of 240988 in words is "two hundred forty thousand, nine hundred eighty-eight".