3256969 has 4 divisors (see below), whose sum is σ = 3290644. Its totient is φ = 3223296.

The previous prime is 3256951. The next prime is 3256987. The reversal of 3256969 is 9696523.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3256951) and next prime (3256987).

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 1352569 = 1380^2 + 1163^2 .

It is a cyclic number.

It is not a de Polignac number, because 3256969 - 2¹¹ = 3254921 is a prime.

It is a super-2 number, since 2×3256969² = 21215694133922, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256069) 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, 16692 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (822661).

Almost surely, 2^3256969 is an apocalyptic number.

It is an amenable number.

3256969 is a deficient number, since it is larger than the sum of its proper divisors (33675).

3256969 is an equidigital number, since it uses as much as digits as its factorization.

3256969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33674.

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

The square root of 3256969 is about 1804.7074555174. The cubic root of 3256969 is about 148.2306028860.

It can be divided in two parts, 3256 and 969, that added together give a square (4225 = 65²).

The spelling of 3256969 in words is "three million, two hundred fifty-six thousand, nine hundred sixty-nine".