3353440 has 24 divisors (see below), whose sum is σ = 7922880. Its totient is φ = 1341312.

The previous prime is 3353429. The next prime is 3353447. The reversal of 3353440 is 443533.

It is a super-2 number, since 2×3353440² = 22491119667200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3353447) 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, 10320 + ... + 10639.

It is an arithmetic number, because the mean of its divisors is an integer number (330120).

Almost surely, 2^3353440 is an apocalyptic number.

It is an amenable number.

3353440 is an abundant number, since it is smaller than the sum of its proper divisors (4569440).

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

3353440 is a wasteful number, since it uses less digits than its factorization.

3353440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20974 (or 20966 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 3353440 is about 1831.2400170376. The cubic root of 3353440 is about 149.6799100279.

Adding to 3353440 its reverse (443533), we get a palindrome (3796973).

The spelling of 3353440 in words is "three million, three hundred fifty-three thousand, four hundred forty".