3263641 has 4 divisors (see below), whose sum is σ = 3343284. Its totient is φ = 3184000.

The previous prime is 3263639. The next prime is 3263647. The reversal of 3263641 is 1463623.

3263641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1463623 = 7 ⋅209089.

It can be written as a sum of positive squares in 2 ways, for example, as 41616 + 3222025 = 204^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 3263641 - 2¹ = 3263639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3263647) 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 3 ways as a sum of consecutive naturals, for example, 39760 + ... + 39841.

It is an arithmetic number, because the mean of its divisors is an integer number (835821).

Almost surely, 2^3263641 is an apocalyptic number.

It is an amenable number.

3263641 is a deficient number, since it is larger than the sum of its proper divisors (79643).

3263641 is an equidigital number, since it uses as much as digits as its factorization.

3263641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79642.

The product of its digits is 2592, while the sum is 25.

The square root of 3263641 is about 1806.5550088497. Note that the first 3 decimals coincide. The cubic root of 3263641 is about 148.3317521469.

The spelling of 3263641 in words is "three million, two hundred sixty-three thousand, six hundred forty-one".