3870916 has 12 divisors (see below), whose sum is σ = 7741888. Its totient is φ = 1658952.

The previous prime is 3870913. The next prime is 3870929. The reversal of 3870916 is 6190783.

3870916 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3870913) 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, 69096 + ... + 69151.

Almost surely, 2^3870916 is an apocalyptic number.

It is an amenable number.

3870916 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.

3870916 is a wasteful number, since it uses less digits than its factorization.

3870916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138258 (or 138256 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3870916 is about 1967.4643579999. The cubic root of 3870916 is about 157.0138330138.

The spelling of 3870916 in words is "three million, eight hundred seventy thousand, nine hundred sixteen".