240764 has 12 divisors (see below), whose sum is σ = 439824. Its totient is φ = 115104.

The previous prime is 240763. The next prime is 240769. The reversal of 240764 is 467042.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240763) by changing a digit.

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, 1217 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (36652).

2²⁴⁰⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

240764 is a deficient number, since it is larger than the sum of its proper divisors (199060).

240764 is a wasteful number, since it uses less digits than its factorization.

240764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 240764 is about 490.6770832228. The cubic root of 240764 is about 62.2105226491.

The spelling of 240764 in words is "two hundred forty thousand, seven hundred sixty-four".