3240657 has 12 divisors (see below), whose sum is σ = 5349760. Its totient is φ = 1851768.

The previous prime is 3240649. The next prime is 3240667. The reversal of 3240657 is 7560423.

It is a happy number.

3240657 is a `hidden beast` number, since 3 + 2 + 4 + 0 + 657 = 666.

3240657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3240657 - 2³ = 3240649 is a prime.

It is a Duffinian number.

3240657 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240657.

It is not an unprimeable number, because it can be changed into a prime (3240607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25657 + ... + 25782.

Almost surely, 2^3240657 is an apocalyptic number.

It is an amenable number.

3240657 is a deficient number, since it is larger than the sum of its proper divisors (2109103).

3240657 is a wasteful number, since it uses less digits than its factorization.

3240657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51452 (or 51449 counting only the distinct ones).

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

The square root of 3240657 is about 1800.1824907492. The cubic root of 3240657 is about 147.9827256439.

The spelling of 3240657 in words is "three million, two hundred forty thousand, six hundred fifty-seven".