3333640 has 16 divisors (see below), whose sum is σ = 7500780. Its totient is φ = 1333440.

The previous prime is 3333619. The next prime is 3333641. The reversal of 3333640 is 463333.

It can be written as a sum of positive squares in 2 ways, for example, as 3247204 + 86436 = 1802^2 + 294^2 .

It is a super-2 number, since 2×3333640² = 22226311299200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 41631 + ... + 41710.

Almost surely, 2^3333640 is an apocalyptic number.

It is an amenable number.

3333640 is an abundant number, since it is smaller than the sum of its proper divisors (4167140).

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

3333640 is a wasteful number, since it uses less digits than its factorization.

3333640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83352 (or 83348 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 3333640 is about 1825.8258405445. The cubic root of 3333640 is about 149.3847390696.

Adding to 3333640 its reverse (463333), we get a palindrome (3796973).

The spelling of 3333640 in words is "three million, three hundred thirty-three thousand, six hundred forty".