3876651 has 6 divisors (see below), whose sum is σ = 5599620. Its totient is φ = 2584428.

The previous prime is 3876641. The next prime is 3876659. The reversal of 3876651 is 1566783.

It is not a de Polignac number, because 3876651 - 2⁵ = 3876619 is a prime.

3876651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3876659) 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 5 ways as a sum of consecutive naturals, for example, 215361 + ... + 215378.

It is an arithmetic number, because the mean of its divisors is an integer number (933270).

Almost surely, 2^3876651 is an apocalyptic number.

3876651 is a deficient number, since it is larger than the sum of its proper divisors (1722969).

3876651 is a wasteful number, since it uses less digits than its factorization.

3876651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430745 (or 430742 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3876651 is about 1968.9212782638. The cubic root of 3876651 is about 157.0913366327.

It can be divided in two parts, 38766 and 51, that multiplied together give a triangular number (1977066 = T₁₉₈₈).

The spelling of 3876651 in words is "three million, eight hundred seventy-six thousand, six hundred fifty-one".