3872886 has 8 divisors (see below), whose sum is σ = 7745784. Its totient is φ = 1290960.

The previous prime is 3872873. The next prime is 3872887. The reversal of 3872886 is 6882783.

It is a sphenic number, since it is the product of 3 distinct primes.

3872886 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872887) 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, 322735 + ... + 322746.

It is an arithmetic number, because the mean of its divisors is an integer number (968223).

Almost surely, 2^3872886 is an apocalyptic number.

3872886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3872886 is a wasteful number, since it uses less digits than its factorization.

3872886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645486.

The product of its digits is 129024, while the sum is 42.

The square root of 3872886 is about 1967.9649387121. The cubic root of 3872886 is about 157.0404645047.

The spelling of 3872886 in words is "three million, eight hundred seventy-two thousand, eight hundred eighty-six".