3280650 has 24 divisors (see below), whose sum is σ = 8136384. Its totient is φ = 874800.

The previous prime is 3280649. The next prime is 3280657. The reversal of 3280650 is 560823.

It is a self number, because there is not a number n which added to its sum of digits gives 3280650.

It is not an unprimeable number, because it can be changed into a prime (3280657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10786 + ... + 11085.

It is an arithmetic number, because the mean of its divisors is an integer number (339016).

Almost surely, 2^3280650 is an apocalyptic number.

3280650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3280650 is an abundant number, since it is smaller than the sum of its proper divisors (4855734).

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

3280650 is a wasteful number, since it uses less digits than its factorization.

3280650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21886 (or 21881 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3280650 is about 1811.2564699677. The cubic root of 3280650 is about 148.5889908621.

The spelling of 3280650 in words is "three million, two hundred eighty thousand, six hundred fifty".