3880650 has 48 divisors (see below), whose sum is σ = 9874368. Its totient is φ = 1008000.

The previous prime is 3880633. The next prime is 3880661. The reversal of 3880650 is 560883.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5835 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (205716).

Almost surely, 2^3880650 is an apocalyptic number.

3880650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3880650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4937184).

3880650 is an abundant number, since it is smaller than the sum of its proper divisors (5993718).

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

3880650 is a wasteful number, since it uses less digits than its factorization.

3880650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 3880650 is about 1969.9365472015. The cubic root of 3880650 is about 157.1453344749.

The spelling of 3880650 in words is "three million, eight hundred eighty thousand, six hundred fifty".