240957 has 12 divisors (see below), whose sum is σ = 357084. Its totient is φ = 156480.

The previous prime is 240953. The next prime is 240959. The reversal of 240957 is 759042.

It can be written as a sum of positive squares in 2 ways, for example, as 30276 + 210681 = 174^2 + 459^2 .

It is not a de Polignac number, because 240957 - 2² = 240953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43 + ... + 695.

It is an arithmetic number, because the mean of its divisors is an integer number (29757).

2²⁴⁰⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

240957 is a deficient number, since it is larger than the sum of its proper divisors (116127).

240957 is a wasteful number, since it uses less digits than its factorization.

240957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 240957 is about 490.8737108463. The cubic root of 240957 is about 62.2271411691.

Adding to 240957 its reverse (759042), we get a palindrome (999999).

The spelling of 240957 in words is "two hundred forty thousand, nine hundred fifty-seven".