3383440 has 20 divisors (see below), whose sum is σ = 7866684. Its totient is φ = 1353344.

The previous prime is 3383431. The next prime is 3383441. The reversal of 3383440 is 443833.

It can be written as a sum of positive squares in 2 ways, for example, as 1024144 + 2359296 = 1012^2 + 1536^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3383440² = 22895332467200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3383441) 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, 21067 + ... + 21226.

Almost surely, 2^3383440 is an apocalyptic number.

It is an amenable number.

3383440 is an abundant number, since it is smaller than the sum of its proper divisors (4483244).

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

3383440 is a wasteful number, since it uses less digits than its factorization.

3383440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42306 (or 42300 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3383440 is about 1839.4129498294. The cubic root of 3383440 is about 150.1249329532.

The spelling of 3383440 in words is "three million, three hundred eighty-three thousand, four hundred forty".