3880940 has 48 divisors (see below), whose sum is σ = 9811200. Its totient is φ = 1259712.

The previous prime is 3880927. The next prime is 3880949. The reversal of 3880940 is 490883.

3880940 = 693² + 694² + ... + 700².

It is a junction number, because it is equal to n+sod(n) for n = 3880897 and 3880906.

It is not an unprimeable number, because it can be changed into a prime (3880949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931 + ... + 3389.

It is an arithmetic number, because the mean of its divisors is an integer number (204400).

Almost surely, 2^3880940 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 3880940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4905600).

3880940 is an abundant number, since it is smaller than the sum of its proper divisors (5930260).

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

3880940 is a wasteful number, since it uses less digits than its factorization.

3880940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3880940 is about 1970.0101522581. The cubic root of 3880940 is about 157.1492488545.

The spelling of 3880940 in words is "three million, eight hundred eighty thousand, nine hundred forty".