3859870 has 32 divisors (see below), whose sum is σ = 8068608. Its totient is φ = 1302048.

The previous prime is 3859847. The next prime is 3859879. The reversal of 3859870 is 789583.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3859879) 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, 4279 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (252144).

Almost surely, 2^3859870 is an apocalyptic number.

3859870 is an abundant number, since it is smaller than the sum of its proper divisors (4208738).

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

3859870 is a wasteful number, since it uses less digits than its factorization.

3859870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3859870 is about 1964.6551860314. The cubic root of 3859870 is about 156.8643397887.

The spelling of 3859870 in words is "three million, eight hundred fifty-nine thousand, eight hundred seventy".