3858880 has 56 divisors (see below), whose sum is σ = 9509760. Its totient is φ = 1489920.

The previous prime is 3858859. The next prime is 3858889. The reversal of 3858880 is 888583.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9726 + ... + 10114.

Almost surely, 2^3858880 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 3858880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754880).

3858880 is an abundant number, since it is smaller than the sum of its proper divisors (5650880).

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

3858880 is a wasteful number, since it uses less digits than its factorization.

3858880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 3858880 is about 1964.4032172647. The cubic root of 3858880 is about 156.8509275084.

The spelling of 3858880 in words is "three million, eight hundred fifty-eight thousand, eight hundred eighty".