3276840 has 128 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 724224.

The previous prime is 3276827. The next prime is 3276853. The reversal of 3276840 is 486723.

It is an interprime number because it is at equal distance from previous prime (3276827) and next prime (3276853).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 3³ + 2¹⁷ + 7 + 6 + 8⁷ + 4¹⁰ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 3276798 and 3276807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39439 + ... + 39521.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

Almost surely, 2^3276840 is an apocalyptic number.

3276840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3276840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806080).

3276840 is an abundant number, since it is smaller than the sum of its proper divisors (8335320).

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

3276840 is a wasteful number, since it uses less digits than its factorization.

3276840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3276840 is about 1810.2044083473. The cubic root of 3276840 is about 148.5314470467.

The spelling of 3276840 in words is "three million, two hundred seventy-six thousand, eight hundred forty".