2440931 has 4 divisors (see below), whose sum is σ = 2451912. Its totient is φ = 2429952.

The previous prime is 2440883. The next prime is 2440937. The reversal of 2440931 is 1390442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2440931 - 2¹⁰ = 2439907 is a prime.

It is a super-2 number, since 2×2440931² = 11916288293522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2440897 and 2440906.

It is not an unprimeable number, because it can be changed into a prime (2440937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (612978).

2^2440931 is an apocalyptic number.

2440931 is a deficient number, since it is larger than the sum of its proper divisors (10981).

2440931 is a wasteful number, since it uses less digits than its factorization.

2440931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2440931 is about 1562.3479125982. The cubic root of 2440931 is about 134.6434303219.

The spelling of 2440931 in words is "two million, four hundred forty thousand, nine hundred thirty-one".