3321860 has 36 divisors (see below), whose sum is σ = 7272972. Its totient is φ = 1273536.

The previous prime is 3321859. The next prime is 3321887. The reversal of 3321860 is 681233.

3321860 = 115² + 116² + ... + 225².

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 1149184 = 1474^2 + 1072^2 .

It is a super-2 number, since 2×3321860² = 22069507719200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49547 + ... + 49613.

It is an arithmetic number, because the mean of its divisors is an integer number (202027).

Almost surely, 2^3321860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3636486).

3321860 is an abundant number, since it is smaller than the sum of its proper divisors (3951112).

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

3321860 is a wasteful number, since it uses less digits than its factorization.

3321860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3321860 is about 1822.5970481705. The cubic root of 3321860 is about 149.2085723667.

The spelling of 3321860 in words is "three million, three hundred twenty-one thousand, eight hundred sixty".