3859878 has 32 divisors (see below), whose sum is σ = 8491392. Its totient is φ = 1160000.

The previous prime is 3859847. The next prime is 3859879. The reversal of 3859878 is 8789583.

It is a happy 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 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, 15253 + ... + 15503.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

Almost surely, 2^3859878 is an apocalyptic number.

3859878 is an abundant number, since it is smaller than the sum of its proper divisors (4631514).

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

3859878 is a wasteful number, since it uses less digits than its factorization.

3859878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 483840, while the sum is 48.

The square root of 3859878 is about 1964.6572220110. The cubic root of 3859878 is about 156.8644481615.

The spelling of 3859878 in words is "three million, eight hundred fifty-nine thousand, eight hundred seventy-eight".