3847906 has 16 divisors (see below), whose sum is σ = 6075648. Its totient is φ = 1825200.

The previous prime is 3847897. The next prime is 3847927. The reversal of 3847906 is 6097483.

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 7 ways as a sum of consecutive naturals, for example, 2701 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (379728).

Almost surely, 2^3847906 is an apocalyptic number.

3847906 is a deficient number, since it is larger than the sum of its proper divisors (2227742).

3847906 is a wasteful number, since it uses less digits than its factorization.

3847906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3847906 is about 1961.6080138499. The cubic root of 3847906 is about 156.7021005310.

It can be divided in two parts, 3847 and 906, that added together give a triangular number (4753 = T₉₇).

The spelling of 3847906 in words is "three million, eight hundred forty-seven thousand, nine hundred six".