2240385 has 32 divisors (see below), whose sum is σ = 4316160. Its totient is φ = 969408.

The previous prime is 2240377. The next prime is 2240389. The reversal of 2240385 is 5830422.

It is not a de Polignac number, because 2240385 - 2³ = 2240377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2240389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1434 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (134880).

2^2240385 is an apocalyptic number.

It is an amenable number.

2240385 is a deficient number, since it is larger than the sum of its proper divisors (2075775).

2240385 is a wasteful number, since it uses less digits than its factorization.

2240385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2240385 is about 1496.7915686561. The cubic root of 2240385 is about 130.8501481717.

The spelling of 2240385 in words is "two million, two hundred forty thousand, three hundred eighty-five".