3955069 has 2 divisors, whose sum is σ = 3955070. Its totient is φ = 3955068.

The previous prime is 3955043. The next prime is 3955079. The reversal of 3955069 is 9605593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3849444 + 105625 = 1962^2 + 325^2 .

It is an emirp because it is prime and its reverse (9605593) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3955069 is a prime.

It is a super-2 number, since 2×3955069² = 31285141589522, which contains 22 as substring.

3955069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3955009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977534 + 1977535.

It is an arithmetic number, because the mean of its divisors is an integer number (1977535).

Almost surely, 2^3955069 is an apocalyptic number.

It is an amenable number.

3955069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3955069 is an equidigital number, since it uses as much as digits as its factorization.

3955069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 3955069 is about 1988.7355279172. The cubic root of 3955069 is about 158.1435031231.

The spelling of 3955069 in words is "three million, nine hundred fifty-five thousand, sixty-nine".