3896969 has 2 divisors, whose sum is σ = 3896970. Its totient is φ = 3896968.

The previous prime is 3896947. The next prime is 3896987. The reversal of 3896969 is 9696983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 1721344 = 1475^2 + 1312^2 .

It is an emirp because it is prime and its reverse (9696983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3896969 is a prime.

It is a super-2 number, since 2×3896969² = 30372734773922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3896929) 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, 1948484 + 1948485.

It is an arithmetic number, because the mean of its divisors is an integer number (1948485).

Almost surely, 2^3896969 is an apocalyptic number.

It is an amenable number.

3896969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896969 is an equidigital number, since it uses as much as digits as its factorization.

3896969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 3896969 is about 1974.0742133973. The cubic root of 3896969 is about 157.3653034995.

The spelling of 3896969 in words is "three million, eight hundred ninety-six thousand, nine hundred sixty-nine".