3380820 has 72 divisors (see below), whose sum is σ = 9950304. Its totient is φ = 857472.

The previous prime is 3380813. The next prime is 3380833. The reversal of 3380820 is 280833.

3380820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3380820² = 22859887744800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50427 + ... + 50493.

Almost surely, 2^3380820 is an apocalyptic number.

3380820 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 3380820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4975152).

3380820 is an abundant number, since it is smaller than the sum of its proper divisors (6569484).

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

3380820 is a wasteful number, since it uses less digits than its factorization.

3380820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3380820 is about 1838.7006281611. The cubic root of 3380820 is about 150.0861727078.

The spelling of 3380820 in words is "three million, three hundred eighty thousand, eight hundred twenty".