3865674 has 16 divisors (see below), whose sum is σ = 7809120. Its totient is φ = 1275600.

The previous prime is 3865663. The next prime is 3865691. The reversal of 3865674 is 4765683.

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, 2584 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (488070).

Almost surely, 2^3865674 is an apocalyptic number.

3865674 is an abundant number, since it is smaller than the sum of its proper divisors (3943446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865674 is a wasteful number, since it uses less digits than its factorization.

3865674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485.

The product of its digits is 120960, while the sum is 39.

The square root of 3865674 is about 1966.1317351592. The cubic root of 3865674 is about 156.9429248769.

Subtracting 3865674 from its reverse (4765683), we obtain a palindrome (900009).

The spelling of 3865674 in words is "three million, eight hundred sixty-five thousand, six hundred seventy-four".