3956269 has 2 divisors, whose sum is σ = 3956270. Its totient is φ = 3956268.

The previous prime is 3956263. The next prime is 3956279. The reversal of 3956269 is 9626593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3948169 + 8100 = 1987^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 3956269 - 2³ = 3956261 is a prime.

It is a super-2 number, since 2×3956269² = 31304128800722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3956261) 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 as a sum of consecutive naturals, namely, 1978134 + 1978135.

It is an arithmetic number, because the mean of its divisors is an integer number (1978135).

Almost surely, 2^3956269 is an apocalyptic number.

It is an amenable number.

3956269 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956269 is an equidigital number, since it uses as much as digits as its factorization.

3956269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 3956269 is about 1989.0372042775. The cubic root of 3956269 is about 158.1594955128.

It can be divided in two parts, 3956 and 269, that added together give a square (4225 = 65²).

The spelling of 3956269 in words is "three million, nine hundred fifty-six thousand, two hundred sixty-nine".