3851667 has 12 divisors (see below), whose sum is σ = 5586984. Its totient is φ = 2556960.

The previous prime is 3851651. The next prime is 3851677. The reversal of 3851667 is 7661583.

It is not a de Polignac number, because 3851667 - 2⁴ = 3851651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3851677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1768 + ... + 3290.

It is an arithmetic number, because the mean of its divisors is an integer number (465582).

Almost surely, 2^3851667 is an apocalyptic number.

3851667 is a deficient number, since it is larger than the sum of its proper divisors (1735317).

3851667 is a wasteful number, since it uses less digits than its factorization.

3851667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1807 counting only the distinct ones).

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

The square root of 3851667 is about 1962.5664319966. The cubic root of 3851667 is about 156.7531382200.

It can be divided in two parts, 38516 and 67, that added together give a palindrome (38583).

The spelling of 3851667 in words is "three million, eight hundred fifty-one thousand, six hundred sixty-seven".