3263645 has 32 divisors (see below), whose sum is σ = 5011200. Its totient is φ = 2022720.

The previous prime is 3263639. The next prime is 3263647. The reversal of 3263645 is 5463623.

It is not a de Polignac number, because 3263645 - 2⁴ = 3263629 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 2 + 6⁷ + 3¹¹ + 6⁸ + 4¹⁰ + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3263647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18779 + ... + 18951.

It is an arithmetic number, because the mean of its divisors is an integer number (156600).

Almost surely, 2^3263645 is an apocalyptic number.

3263645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3263645 is a deficient number, since it is larger than the sum of its proper divisors (1747555).

3263645 is a wasteful number, since it uses less digits than its factorization.

3263645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 196 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 3263645 is about 1806.5561159289. The cubic root of 3263645 is about 148.3318127465.

The spelling of 3263645 in words is "three million, two hundred sixty-three thousand, six hundred forty-five".