3256329 has 4 divisors (see below), whose sum is σ = 4341776. Its totient is φ = 2170884.

The previous prime is 3256327. The next prime is 3256361. The reversal of 3256329 is 9236523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3256329 - 2¹ = 3256327 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a Curzon number.

3256329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3256296 and 3256305.

It is not an unprimeable number, because it can be changed into a prime (3256327) 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, 542719 + ... + 542724.

It is an arithmetic number, because the mean of its divisors is an integer number (1085444).

Almost surely, 2^3256329 is an apocalyptic number.

It is an amenable number.

3256329 is a deficient number, since it is larger than the sum of its proper divisors (1085447).

3256329 is a wasteful number, since it uses less digits than its factorization.

3256329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085446.

The product of its digits is 9720, while the sum is 30.

The square root of 3256329 is about 1804.5301327492. The cubic root of 3256329 is about 148.2208930606.

The spelling of 3256329 in words is "three million, two hundred fifty-six thousand, three hundred twenty-nine".