3891674 has 12 divisors (see below), whose sum is σ = 6202014. Its totient is φ = 1831104.

The previous prime is 3891673. The next prime is 3891677. The reversal of 3891674 is 4761983.

It can be written as a sum of positive squares in 3 ways, for example, as 3636649 + 255025 = 1907^2 + 505^2 .

It is not an unprimeable number, because it can be changed into a prime (3891673) 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, 2789 + ... + 3944.

Almost surely, 2^3891674 is an apocalyptic number.

3891674 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3891674 is a deficient number, since it is larger than the sum of its proper divisors (2310340).

3891674 is a wasteful number, since it uses less digits than its factorization.

3891674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6752 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 3891674 is about 1972.7326225315. The cubic root of 3891674 is about 157.2939979149.

The spelling of 3891674 in words is "three million, eight hundred ninety-one thousand, six hundred seventy-four".