3966367 has 4 divisors (see below), whose sum is σ = 3970440. Its totient is φ = 3962296.

The previous prime is 3966349. The next prime is 3966407. The reversal of 3966367 is 7636693.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7636693 = 79 ⋅96667.

It is a cyclic number.

It is not a de Polignac number, because 3966367 - 2⁷ = 3966239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960367) 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, 384 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (992610).

Almost surely, 2^3966367 is an apocalyptic number.

3966367 is a deficient number, since it is larger than the sum of its proper divisors (4073).

3966367 is a wasteful number, since it uses less digits than its factorization.

3966367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072.

The product of its digits is 122472, while the sum is 40.

The square root of 3966367 is about 1991.5740006337. The cubic root of 3966367 is about 158.2939435410.

The spelling of 3966367 in words is "three million, nine hundred sixty-six thousand, three hundred sixty-seven".