3880505 has 16 divisors (see below), whose sum is σ = 5007744. Its totient is φ = 2876160.

The previous prime is 3880453. The next prime is 3880507. The reversal of 3880505 is 5050883.

It is not a de Polignac number, because 3880505 - 2⁶ = 3880441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3880507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5714 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (312984).

Almost surely, 2^3880505 is an apocalyptic number.

It is an amenable number.

3880505 is a deficient number, since it is larger than the sum of its proper divisors (1127239).

3880505 is a wasteful number, since it uses less digits than its factorization.

3880505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 3880505 is about 1969.8997436418. The cubic root of 3880505 is about 157.1433772120.

The spelling of 3880505 in words is "three million, eight hundred eighty thousand, five hundred five".