3880784 has 20 divisors (see below), whose sum is σ = 7648320. Its totient is φ = 1907040.

The previous prime is 3880781. The next prime is 3880801. The reversal of 3880784 is 4870883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (382416).

Almost surely, 2^3880784 is an apocalyptic number.

It is an amenable number.

3880784 is a deficient number, since it is larger than the sum of its proper divisors (3767536).

3880784 is a wasteful number, since it uses less digits than its factorization.

3880784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 3880784 is about 1969.9705581556. The cubic root of 3880784 is about 157.1471432125.

Subtracting 3880784 from its reverse (4870883), we obtain a palindrome (990099).

It can be divided in two parts, 3880 and 784, that added together give a palindrome (4664).

The spelling of 3880784 in words is "three million, eight hundred eighty thousand, seven hundred eighty-four".