3340240 has 40 divisors (see below), whose sum is σ = 7954848. Its totient is φ = 1303680.

The previous prime is 3340223. The next prime is 3340277. The reversal of 3340240 is 420433.

3340240 = T₁₆₀ + T₁₆₁ + ... + T₂₈₈.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3340240² = 22314406515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955 + ... + 3925.

Almost surely, 2^3340240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3340240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3977424).

3340240 is an abundant number, since it is smaller than the sum of its proper divisors (4614608).

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

3340240 is a wasteful number, since it uses less digits than its factorization.

3340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3340240 is about 1827.6323481488. The cubic root of 3340240 is about 149.4832589390.

Adding to 3340240 its reverse (420433), we get a palindrome (3760673).

The spelling of 3340240 in words is "three million, three hundred forty thousand, two hundred forty".