3240651 has 4 divisors (see below), whose sum is σ = 4320872. Its totient is φ = 2160432.

The previous prime is 3240649. The next prime is 3240667. The reversal of 3240651 is 1560423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3240651 - 2¹ = 3240649 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 (3240451) 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, 540106 + ... + 540111.

It is an arithmetic number, because the mean of its divisors is an integer number (1080218).

Almost surely, 2^3240651 is an apocalyptic number.

3240651 is a deficient number, since it is larger than the sum of its proper divisors (1080221).

3240651 is a wasteful number, since it uses less digits than its factorization.

3240651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080220.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3240651 is about 1800.1808242507. The cubic root of 3240651 is about 147.9826343150.

The spelling of 3240651 in words is "three million, two hundred forty thousand, six hundred fifty-one".