3260820 has 24 divisors (see below), whose sum is σ = 9130464. Its totient is φ = 869536.

The previous prime is 3260809. The next prime is 3260827. The reversal of 3260820 is 280623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27114 + ... + 27233.

It is an arithmetic number, because the mean of its divisors is an integer number (380436).

Almost surely, 2^3260820 is an apocalyptic number.

3260820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3260820 is an abundant number, since it is smaller than the sum of its proper divisors (5869644).

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

3260820 is a wasteful number, since it uses less digits than its factorization.

3260820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54359 (or 54357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3260820 is about 1805.7740722471. The cubic root of 3260820 is about 148.2890018878.

The spelling of 3260820 in words is "three million, two hundred sixty thousand, eight hundred twenty".