2240697 has 4 divisors (see below), whose sum is σ = 2987600. Its totient is φ = 1493796.

The previous prime is 2240669. The next prime is 2240699. The reversal of 2240697 is 7960422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2240697 - 2⁶ = 2240633 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373447 + ... + 373452.

It is an arithmetic number, because the mean of its divisors is an integer number (746900).

2^2240697 is an apocalyptic number.

It is an amenable number.

2240697 is a deficient number, since it is larger than the sum of its proper divisors (746903).

2240697 is an equidigital number, since it uses as much as digits as its factorization.

2240697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746902.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2240697 is about 1496.8957879559. The cubic root of 2240697 is about 130.8562220313.

The spelling of 2240697 in words is "two million, two hundred forty thousand, six hundred ninety-seven".