3285620 has 24 divisors (see below), whose sum is σ = 7431144. Its totient is φ = 1213056.

The previous prime is 3285593. The next prime is 3285647. The reversal of 3285620 is 265823.

It is an interprime number because it is at equal distance from previous prime (3285593) and next prime (3285647).

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 3247204 = 196^2 + 1802^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3285620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6059 + ... + 6578.

It is an arithmetic number, because the mean of its divisors is an integer number (309631).

Almost surely, 2^3285620 is an apocalyptic number.

It is an amenable number.

3285620 is an abundant number, since it is smaller than the sum of its proper divisors (4145524).

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

3285620 is a wasteful number, since it uses less digits than its factorization.

3285620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659 (or 12657 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3285620 is about 1812.6279265199. The cubic root of 3285620 is about 148.6639876540.

The spelling of 3285620 in words is "three million, two hundred eighty-five thousand, six hundred twenty".