3956122 has 8 divisors (see below), whose sum is σ = 6138900. Its totient is φ = 1909824.

The previous prime is 3956119. The next prime is 3956143. The reversal of 3956122 is 2216593.

It is a Cunningham number, because it is equal to 1989²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 1 = 1989^2 + 1^2 .

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

It is a super-6 number, since 6×3956122⁶ (a number of 41 digits) contains 666666 as substring.

It is a d-powerful number, because it can be written as 3⁷ + 9⁵ + 5⁹ + 6⁸ + 1 + 2¹⁷ + 2¹⁷ .

It is an unprimeable number.

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, 34047 + ... + 34162.

Almost surely, 2^3956122 is an apocalyptic number.

3956122 is a deficient number, since it is larger than the sum of its proper divisors (2182778).

3956122 is a wasteful number, since it uses less digits than its factorization.

3956122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68240.

The product of its digits is 3240, while the sum is 28.

The square root of 3956122 is about 1989.0002513826. Note that the first 3 decimals coincide. The cubic root of 3956122 is about 158.1575366189.

The spelling of 3956122 in words is "three million, nine hundred fifty-six thousand, one hundred twenty-two".