3245643 has 8 divisors (see below), whose sum is σ = 4808400. Its totient is φ = 2163744.

The previous prime is 3245611. The next prime is 3245659. The reversal of 3245643 is 3465423.

It is not a de Polignac number, because 3245643 - 2⁵ = 3245611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 120209 = 3245643 / (3 + 2 + 4 + 5 + 6 + 4 + 3).

It is a d-powerful number, because it can be written as 3¹³ + 2¹⁵ + 4³ + 5 + 6⁵ + 4⁷ + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (3245843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60078 + ... + 60131.

It is an arithmetic number, because the mean of its divisors is an integer number (601050).

Almost surely, 2^3245643 is an apocalyptic number.

3245643 is a deficient number, since it is larger than the sum of its proper divisors (1562757).

3245643 is a wasteful number, since it uses less digits than its factorization.

3245643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120218 (or 120212 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3245643 is about 1801.5668180781. The cubic root of 3245643 is about 148.0585810219.

The spelling of 3245643 in words is "three million, two hundred forty-five thousand, six hundred forty-three".