3967126 has 4 divisors (see below), whose sum is σ = 5950692. Its totient is φ = 1983562.

The previous prime is 3967123. The next prime is 3967127. The reversal of 3967126 is 6217693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6217693 = 19 ⋅327247.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3967091 and 3967100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991780 + ... + 991783.

It is an arithmetic number, because the mean of its divisors is an integer number (1487673).

Almost surely, 2^3967126 is an apocalyptic number.

3967126 is a deficient number, since it is larger than the sum of its proper divisors (1983566).

3967126 is a wasteful number, since it uses less digits than its factorization.

3967126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983565.

The product of its digits is 13608, while the sum is 34.

The square root of 3967126 is about 1991.7645443174. The cubic root of 3967126 is about 158.3040398870.

The spelling of 3967126 in words is "three million, nine hundred sixty-seven thousand, one hundred twenty-six".