3891796 has 12 divisors (see below), whose sum is σ = 6842752. Its totient is φ = 1936728.

The previous prime is 3891781. The next prime is 3891803. The reversal of 3891796 is 6971983.

3891796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3891796² = 30292152211232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290 + ... + 3073.

Almost surely, 2^3891796 is an apocalyptic number.

It is an amenable number.

3891796 is a deficient number, since it is larger than the sum of its proper divisors (2950956).

3891796 is a wasteful number, since it uses less digits than its factorization.

3891796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590 (or 4588 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 3891796 is about 1972.7635438643. The cubic root of 3891796 is about 157.2956415663.

The spelling of 3891796 in words is "three million, eight hundred ninety-one thousand, seven hundred ninety-six".