3716891 has 4 divisors (see below), whose sum is σ = 3720984. Its totient is φ = 3712800.

The previous prime is 3716887. The next prime is 3716903. The reversal of 3716891 is 1986173.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3716891 - 2² = 3716887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3716821) 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 3 ways as a sum of consecutive naturals, for example, 5 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (930246).

Almost surely, 2^3716891 is an apocalyptic number.

3716891 is a deficient number, since it is larger than the sum of its proper divisors (4093).

3716891 is a wasteful number, since it uses less digits than its factorization.

3716891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092.

The product of its digits is 9072, while the sum is 35.

The square root of 3716891 is about 1927.9240130254. The cubic root of 3716891 is about 154.9030402964.

The spelling of 3716891 in words is "three million, seven hundred sixteen thousand, eight hundred ninety-one".