2240491 has 8 divisors (see below), whose sum is σ = 2455344. Its totient is φ = 2027520.

The previous prime is 2240489. The next prime is 2240507. The reversal of 2240491 is 1940422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2240491 - 2¹ = 2240489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240431) 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 7 ways as a sum of consecutive naturals, for example, 3595 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (306918).

2^2240491 is an apocalyptic number.

2240491 is a deficient number, since it is larger than the sum of its proper divisors (214853).

2240491 is a wasteful number, since it uses less digits than its factorization.

2240491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2240491 is about 1496.8269773090. The cubic root of 2240491 is about 130.8522117898.

The spelling of 2240491 in words is "two million, two hundred forty thousand, four hundred ninety-one".