3264643 has 4 divisors (see below), whose sum is σ = 3406608. Its totient is φ = 3122680.

The previous prime is 3264631. The next prime is 3264649. The reversal of 3264643 is 3464623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3464623 = 41 ⋅84503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3264643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3264649) 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, 70948 + ... + 70993.

It is an arithmetic number, because the mean of its divisors is an integer number (851652).

Almost surely, 2^3264643 is an apocalyptic number.

3264643 is a deficient number, since it is larger than the sum of its proper divisors (141965).

3264643 is a wasteful number, since it uses less digits than its factorization.

3264643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141964.

The product of its digits is 10368, while the sum is 28.

The square root of 3264643 is about 1806.8323109796. The cubic root of 3264643 is about 148.3469308188.

The spelling of 3264643 in words is "three million, two hundred sixty-four thousand, six hundred forty-three".