3876845 has 16 divisors (see below), whose sum is σ = 5349888. Its totient is φ = 2641920.

The previous prime is 3876827. The next prime is 3876869. The reversal of 3876845 is 5486783.

Added to its reverse (5486783) it gives a triangular number (9363628 = T₄₃₂₇).

It is a happy number.

It is not a de Polignac number, because 3876845 - 2⁶ = 3876781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8780 + ... + 9210.

It is an arithmetic number, because the mean of its divisors is an integer number (334368).

Almost surely, 2^3876845 is an apocalyptic number.

3876845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3876845 is a deficient number, since it is larger than the sum of its proper divisors (1473043).

3876845 is a wasteful number, since it uses less digits than its factorization.

3876845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its digits is 161280, while the sum is 41.

The square root of 3876845 is about 1968.9705432027. The cubic root of 3876845 is about 157.0939570397.

Adding to 3876845 its reverse (5486783), we get a triangular number (9363628 = T₄₃₂₇).

The spelling of 3876845 in words is "three million, eight hundred seventy-six thousand, eight hundred forty-five".