2340657 has 40 divisors (see below), whose sum is σ = 3972672. Its totient is φ = 1360800.

The previous prime is 2340617. The next prime is 2340659. The reversal of 2340657 is 7560432.

It is a happy number.

2340657 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 657 = 666.

It is not a de Polignac number, because 2340657 - 2¹² = 2336561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2340657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340659) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32932 + ... + 33002.

2^2340657 is an apocalyptic number.

2340657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2340657 is a deficient number, since it is larger than the sum of its proper divisors (1632015).

2340657 is a wasteful number, since it uses less digits than its factorization.

2340657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2340657 is about 1529.9205861743. The cubic root of 2340657 is about 132.7738633726.

The spelling of 2340657 in words is "two million, three hundred forty thousand, six hundred fifty-seven".