3243345 has 64 divisors (see below), whose sum is σ = 6635520. Its totient is φ = 1317888.

The previous prime is 3243343. The next prime is 3243347. The reversal of 3243345 is 5433423.

It is an interprime number because it is at equal distance from previous prime (3243343) and next prime (3243347).

It is not a de Polignac number, because 3243345 - 2¹ = 3243343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3243341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41016 + ... + 41094.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

Almost surely, 2^3243345 is an apocalyptic number.

3243345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3243345 is an abundant number, since it is smaller than the sum of its proper divisors (3392175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3243345 is a wasteful number, since it uses less digits than its factorization.

3243345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

The product of its digits is 4320, while the sum is 24.

The square root of 3243345 is about 1800.9289269707. The cubic root of 3243345 is about 148.0236296578.

Adding to 3243345 its reverse (5433423), we get a palindrome (8676768).

The spelling of 3243345 in words is "three million, two hundred forty-three thousand, three hundred forty-five".