3333645 has 48 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 1441152.

The previous prime is 3333641. The next prime is 3333653. The reversal of 3333645 is 5463333.

It is not a de Polignac number, because 3333645 - 2² = 3333641 is a prime.

It is a super-3 number, since 3×3333645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3333641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5707 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

Almost surely, 2^3333645 is an apocalyptic number.

3333645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3333645 is an abundant number, since it is smaller than the sum of its proper divisors (3630195).

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

3333645 is a wasteful number, since it uses less digits than its factorization.

3333645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 591 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 3333645 is about 1825.8272097874. The cubic root of 3333645 is about 149.3848137551.

Adding to 3333645 its reverse (5463333), we get a palindrome (8796978).

The spelling of 3333645 in words is "three million, three hundred thirty-three thousand, six hundred forty-five".