2340557 has 6 divisors (see below), whose sum is σ = 2374218. Its totient is φ = 2307312.

The previous prime is 2340551. The next prime is 2340563. The reversal of 2340557 is 7550432.

It is an interprime number because it is at equal distance from previous prime (2340551) and next prime (2340563).

It can be written as a sum of positive squares in 3 ways, for example, as 1473796 + 866761 = 1214^2 + 931^2 .

It is not a de Polignac number, because 2340557 - 2⁶ = 2340493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340551) 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 5 ways as a sum of consecutive naturals, for example, 11783 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (395703).

2^2340557 is an apocalyptic number.

It is an amenable number.

2340557 is a deficient number, since it is larger than the sum of its proper divisors (33661).

2340557 is an equidigital number, since it uses as much as digits as its factorization.

2340557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2340557 is about 1529.8879043904. The cubic root of 2340557 is about 132.7719725110.

Adding to 2340557 its reverse (7550432), we get a palindrome (9890989).

The spelling of 2340557 in words is "two million, three hundred forty thousand, five hundred fifty-seven".