3881276 has 12 divisors (see below), whose sum is σ = 7762608. Its totient is φ = 1663392.

The previous prime is 3881249. The next prime is 3881291. The reversal of 3881276 is 6721883.

3881276 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69281 + ... + 69336.

It is an arithmetic number, because the mean of its divisors is an integer number (646884).

Almost surely, 2^3881276 is an apocalyptic number.

It is an amenable number.

3881276 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.

3881276 is a wasteful number, since it uses less digits than its factorization.

3881276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138628 (or 138626 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 3881276 is about 1970.0954291607. The cubic root of 3881276 is about 157.1537838919.

The spelling of 3881276 in words is "three million, eight hundred eighty-one thousand, two hundred seventy-six".