3967426 has 8 divisors (see below), whose sum is σ = 6301260. Its totient is φ = 1867008.

The previous prime is 3967417. The next prime is 3967429. The reversal of 3967426 is 6247693.

It can be written as a sum of positive squares in 2 ways, for example, as 3236401 + 731025 = 1799^2 + 855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3967429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58311 + ... + 58378.

Almost surely, 2^3967426 is an apocalyptic number.

3967426 is a deficient number, since it is larger than the sum of its proper divisors (2333834).

3967426 is a wasteful number, since it uses less digits than its factorization.

3967426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116708.

The product of its digits is 54432, while the sum is 37.

The square root of 3967426 is about 1991.8398530002. The cubic root of 3967426 is about 158.3080301825.

The spelling of 3967426 in words is "three million, nine hundred sixty-seven thousand, four hundred twenty-six".